{"title":"Avalon Design","description":null,"products":[{"product_id":"avalon-ad2022","title":"Avalon AD2022 Dual-Channel Microphone Preamp","description":"\u003cp\u003eThe dual-mono \u003cstrong\u003eAvalon AD2022\u003c\/strong\u003e microphone preamp includes the original sonic capabilities and transparency of the M2, M22 and M5 preamplifiers plus several additional features, including selectable microphone source loading for optimized cable\/mic matching, improved high-voltage Class A regulated power supplies, two high Z instrument inputs, variable-passive high pass filter and doubled plated circuit boards for superior low level signal transfer.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_0\"\u003eHIGHEST QUALITY COMPONENTS\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe AD2022 incorporates the most advanced high-performance microphone transformer available. Split low-ratio primary windings are carefully combined within a custom mu-metal core for extended smooth frequency response and very low distortion. Sealer silver relays are used for minimal signal invasion. The input signal selector, high pass filter, polarity-phase reverse, +48V power and the 20 dB input attenuator all utilize local sealed relay operation. A variable passive high pass filter provides a minimum phase shift design while eliminating low frequency rumble, wind noise and mechanical vibration at sub sonic frequencies.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_1\"\u003eSYMMETRICAL PURE CLASS A DESIGN\u003c\/h3\u003e\r\n\r\n\u003cp\u003eTwo 100% discrete, high-voltage, symmetrical Pure Class A signal amplifiers are utilized per channel. The first operates in a cascaded-cascode FET configuration while the second stage amplifier is fully bipolar. The twin amplifiers share the total available gain requirement. This shared architecture increases the high level headroom capability, improves transient response and doubles the internal bandwidth of the ultra-high performance pure Class A signal amplifiers. Output and Metering High-current DC coupled, Class A discrete amplifiers are utilized for the output drive interface with +36dB capability into all known loads. Two large, high-quality analog VU meters indicate accurate signal readings while bi-color LED's offers peak indication at 0 dB and +20 dB.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449239498855,"sku":"5032","price":3911.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_ad2022_1.jpg?v=1787088269"},{"product_id":"avalon-ad2044","title":"Avalon AD2044","description":"\u003cp\u003eThe \u003cstrong\u003eAD2044\u003c\/strong\u003e features 100% discrete, pure class A signal amplifier configured with high speed current monitored optical control elements.  These \"invisible\" opto elements enable the AD2044 to deliver totally transparent, low noise gain reduction within the minimalist signal path design.  No VCAs are incorporated.  Variable attack and release controls plus side chain access, provide unlimited creative control from soft compression to hard limiting. \u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eSonic Excellence\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003eThe Avalon AD2044 Pure Class A opto-compressor is the most transparent, low noise optical-compressor available today.  Designed to optimize absolute signal integrity and musical performance, the AD2044 combines advanced electronics with sonic excellence unequaled by lesser designs. The AD2044 is the perfect solution for two buss music-program compression, mono bass and instruments and mastering applications. \u003c\/p\u003e\n\u003cp\u003eFeatures include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers, practical \"real-world\" user features and rugged hardware designed to deliver true high performance audio for many years. \u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eLinear Optical Compression\u003c\/strong\u003e\u003cbr\u003eCustom manufactured, high speed linear opto elements provide the non invasive passive attenuator system for invisible gain reduction.  The AD2044 incorporates a unique external control loop and current monitored optical driver for smooth control plus the benefits of traditional vintage LDR compression. \u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eMinimum Signal Path Design\u003c\/strong\u003e\u003cbr\u003eAvalon's advanced true symmetry design offers high-voltage, large headroom, extended bandwidth and very low noise.  The use of 100% discrete, Pure Class A signal amplifiers offer the serious music professional unlimited sonic character and a natural harmonic detail that enhances the program material and becomes one with the music itself. \u003cbr\u003e \u003cbr\u003e The AD2044 can be found in the world's leading recording studio's, mastering facilities and artist\/producers outboard racks.  These professionals rely on the AD2044 daily to help them complete their \"sonic signature\" and turn recordings into musical masterpieces.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449239531623,"sku":"7750","price":2970.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_ad2044_1.jpg?v=1787088269"},{"product_id":"avalon-m5","title":"Avalon M5","description":null,"brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449239564391,"sku":"8429","price":1665.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_m5_1.jpg?v=1787088270"},{"product_id":"avalon-vt-737sp","title":"Avalon VT-737SP Tube Channel Strip","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube preamplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e\r\n\u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e\r\n\u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449239629927,"sku":"4903","price":3866.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon-vt-737sp-23_4903_1.jpg?v=1787088270"},{"product_id":"avalon-vt-737sp-10th-anniversary-edition","title":"Avalon VT-737SP Tube Channel Strip - 10th Anniversary Edition","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube preamplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e\r\n\u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e\r\n\u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449239662695,"sku":"11196","price":2475.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_vt737sp10_1.jpg?v=1787088270"},{"product_id":"avalon-vt-747sp","title":"Avalon VT-747SP","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-747SP\u003c\/strong\u003e combines a creative stereo tube-discrete Class A spectral-opto-compressor with a musical six band program equalizer, L-R output level and gain reduction metering and internal regulated power supplies in a 2U space. Ideal for high performance DAW input signal conditioning, stereo buss compression-EQ, stereo keyboards and analog mastering applications.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_0\"\u003eSPECTRAL-OPTO-COMPRESSION\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe opto-compressor features a minimum signal path design utilizing sealed silver relays for all signal routing and by pass functions.  The optical attenuator acts as a passive level controller with a Class A, variable gain make-up amplifier.  Full dynamic control from soft compression to hard-knee limiting can be achieved with master threshold, ratio-compression, attack and release controls. Gain reduction indication is a large analog VU meter.  Low frequency and high frequency contour parametric spectral controls can be routed into the side-chain path for enhanced frequency dependent compression with variable frequency and threshold levels. SC listen provides side-chain listen mode for monitoring.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_1\"\u003e6-BAND PROGRAM EQUALIZER\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe VT-747SP equalizer utilizes 100% discrete, Class A high-voltage transistors for optimum sonic performance.  The 6-band stereo program EQ incorporates the smooth characteristics of an all passive design.  The frequency turnover, Q and amplitude ranges have been carefully chosen for each band to provide the most natural harmonic balance and lowest phase change while offering simple and effective tone control.  The EQ can be placed pre or post the opto-compressor for enhanced effects.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_2\"\u003eTSP - TWIN SIGNAL PATH\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe VT-747SP features TSP which gives you the choice of either tube tone or the classic, Class A discrete transistor sound by exchanging, three high-voltage dual triode tubes with discrete amplifiers in the opto-compressor and primary output stages.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_3\"\u003eINPUT-OUTPUT AND METERING\u003c\/h3\u003e\r\n\r\n\u003cp\u003eFully balanced DC coupled, Class A discrete amplifiers are utilized for the input and output drive interface with+36dB input headroom. A high quality analog VU meter indicates accurate gain reduction.  Twin 60dB range LED meters provide fast L-R output status of all levels.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449251655783,"sku":"6541","price":2595.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_vt747sp_1.jpg?v=1787088317"},{"product_id":"avalon-ad2055","title":"Avalon AD2055","description":"\u003cp\u003eThe \u003cstrong\u003eAD2055 \u003c\/strong\u003e combines 100% discrete, pure class A signal amplifiers with state-of- the-art passive and active filter topologies.  The AD2055's unique circuitry delivers very high resolution transient detail at the operational extremes of real world equalization demands.  The AD2055 auto-bias DC servo loop control eliminates the need for all interstage capacitor coupling.  The AD2055 breathes life into all musical performances! \u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eSonic Excellence\u003c\/strong\u003e\u003cbr\u003e The Avalon AD2055 Pure Class A music equalizer is the most powerful, low noise parametric equalizer available today.  Designed to optimize absolute signal integrity and musical performance, the AD2055 combines the best of active and passive filter topologies with sonic excellence unequaled by lesser designs.  The AD2055 is the perfect solution for two buss music-program equalization, special instrument EQ and FX applications and ultra high performance mastering studio's. \u003cbr\u003e \u003cbr\u003e Features include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers, practical user features and rugged hardware designed to deliver true high performance audio for many years. \u003cbr\u003e \u003cbr\u003e \u003cstrong\u003ePassive-Active Filter Design\u003c\/strong\u003e\u003cbr\u003e Avalon equalizers feature the unique combination of both active and passive filter EQ designs.  This special combination enables the AD2055 to deliver high speed transient detail at the operational extremes of real-world equalization demands.  The passive high and low bands offer alternate musical tone range to the full function active parametric mid bands.  Passive equalizers have long been a favorite with music lovers around the world.  Full bodied, powerful (up to +\/-32dB, 64dB range) and sweet frequency selections are the benefits of the passive high-low EQ bands.  The full bandwidth twin mid bands provide variable frequency selection (X10 frequency multipliers for very wide range), variable Q (width) and amplitude control. \u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eMinimum Signal Path Design\u003c\/strong\u003e\u003cbr\u003e Avalon's advanced true symmetry design offers high-voltage, large headroom, extended bandwidth and very low noise.  The use of 100% discrete, Pure Class A signal amplifiers give the serious music professional unlimited sonic character and a natural harmonic detail that enhances the program material and becomes one with the music itself.  The Avalon AD2055 breathes life!\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449252573287,"sku":"4808","price":3960.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_ad2055_1.jpg?v=1787088321"},{"product_id":"avalon-u5","title":"Avalon U5 Single-Channel DI\/Preamp","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon U5\u003c\/strong\u003e high-voltage DI\/preamp combines a unique passive tone selector with a variable gain preamp and filter. The high input impedance accepts a wide variety of signal levels and instruments from acoustic guitars to high-output active bass guitars and keyboards. The U5 direct box is loaded with sonic character and user features professionals demand.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_0\"\u003eSONIC EXCELLENCE\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe U5 high-voltage DI-preamp combines a unique passive tone selector with a variable gain preamp and filter. The high input impedance accepts a wide variety of signal levels and instruments from acoustic guitars to high-output active bass guitars and keyboards. The U5 direct box is loaded with sonic character and user features professionals demand.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_1\"\u003eDEEP AND CONTROLLED BASS\u003c\/h3\u003e\r\n\r\n\u003cp\u003eAvalon U5 DI\/preamps have been in use around the world since 1995. They have found their way into the world's leading musicians rigs and recording sessions and been featured on thousands of the best selling (and sounding) albums and live performances.\u003c\/p\u003e\r\n\r\n\u003ch3 id=\"toc_2\"\u003eMINIMUM SIGNAL PATH DESIGN\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe U5 includes a variable gain Class A preamplifier to boost low level pickup signals and a high level speaker input for capturing the live sound of the instruments amplifier. Six passive tone-EQ curves are also included to enhance a variety of acoustic and electric instruments. A high-cut switch eliminates unwanted acoustic pickup and high frequency noise, while a  headphone monitor amp has been included for personal listening. Twin DC coupled Class A output amplifiers drive both low level microphone preamp inputs and high level +4dB inputs for direct to tape recording or processing. The active-to-thru switch selects either the instrument input directly or sends the boosted-equalized signal to the amplifier via the front panel jack. A ground isolation switch eliminates any possible earth loop or AC buzz problems with complete safety.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449294024807,"sku":"7928","price":936.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon-u5-2025_7928_1.jpg?v=1787088443"},{"product_id":"avalon-vp-1-1u-vent-panel","title":"Avalon VP-1 1U Vent Panel","description":"1U 19\" vent\/spacer panel, ideal for cooling large racks","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449388003431,"sku":"18774","price":135.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_vp1.jpg?v=1787088813"},{"product_id":"avalon-m5-mic-pre-used","title":"Avalon M5 Mic Pre (Used)","description":"\u003cb\u003eSonic Excellence\u003c\/b\u003e\u003cbr\u003eThe Avalon M5 Pure Class A microphone \npreamplifier is the most musical, low noise full function preamplifier \navailable today. Designed to optimize absolute signal integrity and \nmusical performance, the M5 combines an advanced transformer input stage\n with twin high performance Class A cascode FET and bipolar discrete \namplifiers for sonic excellence unequaled by lesser designs. The M5 is \nideal for vocal and acoustic instruments, active DI input for the direct\n recording of bass, guitars and keyboards. \u003cbr\u003e\u003cbr\u003eFeatures include \nstate-of-the-art, balanced 100% discrete, Pure Class A signal \namplifiers, practical user features and rugged hardware designed to \ndeliver true high performance audio for many years. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eDesigned for Ultimate Music Recording\u003c\/b\u003e\u003cbr\u003eAvalon\n preamplifiers have been in use since 1986. They have found their way \ninto the world's most famous lead vocalists recording sessions and \nstudios and been featured on thousands of the best selling (and \nsounding) albums and live performances. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eMinimum Signal Path Design\u003c\/b\u003e\u003cbr\u003eAvalon's\n advanced true symmetry design offers high-voltage, large headroom, \nextended bandwidth and very low noise. The use of 100% discrete, Pure \nClass A signal amplifiers give the serious music professional unlimited \nsonic character and a natural harmonic detail that enhances the program \nmaterial and becomes one with the music itself.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eVocalist's Dream Machine\u003c\/b\u003e\u003cbr\u003eThe\n M5 microphone preamplifier is the first choice when you are looking to \ncapture a full bodied, dynamic, musical performance from the intimate \ndepths within the artist. The M5 will make your recordings musical \nmasterpieces!\u003cbr\u003e\u003cbr\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449449050215,"sku":"8633","price":995.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_m5_mic_pre_21c21b7e-ff1b-4d9d-9fcd-e117f252a0dc.jpg?v=1787088997"},{"product_id":"avalon-ad2044-20617-used","title":"Avalon AD2044 #20617 (Used)","description":"Very clean example of this unit. Includes B2T 200w PSU. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThe AD2044 features 100% discrete, pure class A signal amplifier configured with high speed current monitored optical control elements. These \"invisible\" opto elements enable the AD2044 to deliver totally transparent, low noise gain reduction within the minimalist signal path design. No VCAs are incorporated. Variable attack and release controls plus side chain access, provide unlimited creative control from soft compression to hard limiting.\u003cbr\u003e\u003cbr\u003eThe Avalon AD2044 Pure Class A opto-compressor is the most transparent, low noise optical-compressor available today. Designed to optimize absolute signal integrity and musical performance, the AD2044 combines advanced electronics with sonic excellence unequaled by lesser designs. The AD2044 is the perfect solution for two buss music-program compression, mono bass and instruments and  mastering applications.\u003cbr\u003e\u003cbr\u003eFeatures include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers, practical \"real-world\" user features and rugged hardware designed to deliver true high performance audio for many years.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449449017447,"sku":"22413","price":1650.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_ad2044__20617_86c7cfad-a383-4a76-8f82-52a26f00b85d.jpg?v=1787088997"},{"product_id":"avalon-vt-737-sp-11037-used","title":"Avalon VT 737 SP #11037 (Used)","description":"The Avalon VT-737SP features a combination of TUBE preamplifiers, opto-compressor, sweep equalizer, output level and VU metering in a 2U space.\u003cbr\u003e\u003cbr\u003ePREAMPLIFIER \u003cbr\u003eThe VT-737SP has three input selections: 1. The VT-737SP features a higher-performance microphone input transformer with +48v phantom selection. 2. Instrument DI high source input with jack located on front panel. 3. Balanced line input, discrete high-level Class A. The Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback. A high gain switch boosts the overall gain of the preamplifier. The four high quality tubes are configured as singled ended anode coupled followers. A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003cbr\u003e\u003cbr\u003eOPTO-COMPRESSOR \u003cbr\u003eThe opto-compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching. The optical attenuator acts as a simple passive level controller. Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto-compressor via a front panel switch for alternate effects and tone shaping. Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003cbr\u003e\u003cbr\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL \u003cbr\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance. The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection. The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers. The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement\". The output level control provides a variable control of the overall signal path. The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003cbr\u003e \u003cbr\u003eAVALON VT-737SP FEATURES\u003cbr\u003e\u003cbr\u003eVacuum tube triode signal path, transformer balanced microphone input, high-voltage circuits for maximum headroom to +30dB, low noise -92dB, internal discrete power supply with toroidal transformer, soft-start tube life extender, stereo link for compressors, all discrete Class A equalizer with musical passive filter design, sealed silver relays for signal routing, large control knobs with professional conductive plastic potentiometers, VU meter for output level monitoring and compressor gain reduction.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449459863655,"sku":"26399","price":1575.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737_sp__11037_e1dd8a3c-00ea-426f-85a7-8b53483e687a.jpg?v=1787089043"},{"product_id":"avalon-vt-737-sp-12021-used","title":"Avalon VT 737 SP #12021 (Used)","description":"The Avalon VT-737SP features a combination of TUBE preamplifiers, opto-compressor, sweep equalizer, output level and VU metering in a 2U space.\u003cbr\u003e\u003cbr\u003ePREAMPLIFIER \u003cbr\u003eThe VT-737SP has three input selections: 1. The VT-737SP features a higher-performance microphone input transformer with +48v phantom selection. 2. Instrument DI high source input with jack located on front panel. 3. Balanced line input, discrete high-level Class A. The Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback. A high gain switch boosts the overall gain of the preamplifier. The four high quality tubes are configured as singled ended anode coupled followers. A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003cbr\u003e\u003cbr\u003eOPTO-COMPRESSOR \u003cbr\u003eThe opto-compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching. The optical attenuator acts as a simple passive level controller. Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto-compressor via a front panel switch for alternate effects and tone shaping. Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003cbr\u003e\u003cbr\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL \u003cbr\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance. The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection. The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers. The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement\". The output level control provides a variable control of the overall signal path. The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003cbr\u003e \u003cbr\u003eAVALON VT-737SP FEATURES\u003cbr\u003e\u003cbr\u003eVacuum tube triode signal path, transformer balanced microphone input, high-voltage circuits for maximum headroom to +30dB, low noise -92dB, internal discrete power supply with toroidal transformer, soft-start tube life extender, stereo link for compressors, all discrete Class A equalizer with musical passive filter design, sealed silver relays for signal routing, large control knobs with professional conductive plastic potentiometers, VU meter for output level monitoring and compressor gain reduction.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449459896423,"sku":"21075","price":1575.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737_sp__12021_b81423e0-2e40-4cfa-b118-eb2a632d9069.jpg?v=1787089043"},{"product_id":"avalon-vt-737-sp-mercenary-edition-used","title":"Avalon VT 737 SP Mercenary Edition (used)","description":"\u003cp\u003eMercenary Audio version with black faceplate and knobs. Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.\u003c\/p\u003e\n\u003cp\u003eThe\u003cstrong\u003e Avalon VT-737SP\u003c\/strong\u003e features a combination of tube preamplifiers,  opto-compressor, sweep equalizer, output level and VU metering in a 2U  space.\u003cbr\u003e\u003cbr\u003ePREAMPLIFIER \u003cbr\u003eThe VT-737SP has three input selections:  1. The VT-737SP features a higher-performance microphone input  transformer with +48v phantom selection. 2. Instrument DI high source  input with jack located on front panel. 3. Balanced line input, discrete  high-level Class A. The Class A preamplifier utilizes two cascaded,  dual vacuum tube triodes configured with minimum negative feedback. A  high gain switch boosts the overall gain of the preamplifier. The four  high quality tubes are configured as singled ended anode coupled  followers. A passive-variable high pass filter and hard-wire relay  bypass completes the input signal conditioning. The phase reverse relay  is available on all three inputs.\u003cbr\u003e\u003cbr\u003eOPTO-COMPRESSOR \u003cbr\u003eThe  opto-compressor features a minimum signal path design with twin Class A  vacuum tube triodes for gain matching. The optical attenuator acts as a  simple passive level controller. Full dynamic control from soft  compression to hard- knee limiting can be achieved with threshold,  ratio-compression, attack and release controls plus gain reduction  selection on the large VU meter. Special spectral control including  de-ess is available with the dual sweep mid EQ to side-chain switch. The  EQ section can be flipped pre or post the opto-compressor via a front  panel switch for alternate effects and tone shaping. Two VT-737SPs can  be linked via a rear panel link cable for stereo tracking. The  compressor bypass is a sealed silver relay for the most direct signal  path.\u003cbr\u003e\u003cbr\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL \u003cbr\u003eThe VT-737SP equalizer  utilizes 100% discrete, Class A-high-voltage transistors for optimum  sonic performance. The high and low frequency bands provide the smooth  characteristics of an all passive design, while the dual mid bands  include variable frequency and switched Q-width selection. The enhanced  range of the mid bands is extended into the high and low bands by the  use of X10 frequency multipliers. The bypass switch incorporates a  sealed silver relay for the most direct signal path. When the EQ to  sidechain is engaged, the high-low EQ remains in the audio path for  \"tone enhancement\". The output level control provides a variable control  of the overall signal path. The output amplifier utilizes another dual  triode vacuum tube driving a 100% discrete, Class A, high-current,  balanced and DC coupled low noise output amplifier.\u003cbr\u003e \u003cbr\u003eAVALON VT-737SP FEATURES\u003cbr\u003e\u003cbr\u003eVacuum  tube triode signal path, transformer balanced microphone input,  high-voltage circuits for maximum headroom to +30dB, low noise -92dB,  internal discrete power supply with toroidal transformer, soft-start  tube life extender, stereo link for compressors, all discrete Class A  equalizer with musical passive filter design, sealed silver relays for  signal routing, large control knobs with professional conductive plastic  potentiometers, VU meter for output level monitoring and compressor  gain reduction.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449472184423,"sku":"27450","price":1595.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_27450_1_5905ccfb-5125-4fed-884f-d24e32b8183f.jpg?v=1787089084"},{"product_id":"avalon-vt-747-sp-20206-used","title":"Avalon VT 747 SP #20206 (Used)","description":"\u003cp\u003eThe Avalon VT-747SP combines a creative STEREO tube-discrete Class A  spectral-opto-compressor with a musical six band program equalizer, L-R  output level and gain reduction metering and internal regulated power  supplies in a 2U space. Ideal for high performance DAW input signal  conditioning, stereo buss compression-EQ, stereo keyboards and analog  mastering applications. \u003cbr\u003e\u003cspan class=\"prodSummary\"\u003e\u003cbr\u003e\n\u003cbr\u003e\u003cstrong\u003eSpectral-Opto-Compression\u003c\/strong\u003e\u003cbr\u003eThe opto-compressor features a minimum signal path design utilizing sealed  silver relays for all signal routing and bypass functions. The optical attenuator acts as a passive level controller with a Class A, variable  gain make-up amplifier. Full dynamic control from soft compression to  hard-knee limiting can be achieved with master threshold,  ratio-compression, attack and release controls. Gain reduction  indication is a large analog VU meter. Low frequency and high frequency  contour parametric spectral controls can be routed into the side-chain  path for enhanced frequency dependent compression with variable  frequency and threshold levels. SC listen provides side-chain listen  mode for monitoring. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e6-Band Program Equalizer\u003c\/strong\u003e\u003cbr\u003eThe  VT-747SP equalizer utilizes 100% discrete, Class A high-voltage  transistors for optimum sonic performance. The 6-band stereo program EQ  incorporates the smooth characteristics of an all passive design. The  frequency turnover, Q and amplitude ranges have been carefully chosen  for each band to provide the most natural harmonic balance and lowest  phase change while offering simple and effective tone control. The EQ  can be placed pre or post the opto-compressor for enhanced effects. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTSP – Twin Signal Path\u003c\/strong\u003e\u003cbr\u003eThe  VT-747SP features TSP which gives you the choice of either tube tone or  the classic, Class A discrete transistor sound by exchanging, three (3)  high-voltage dual triode tubes with discrete amplifiers in the  opto-compressor and primary output stages. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInput-Output and Metering\u003c\/strong\u003e\u003cbr\u003eFully  balanced DC coupled, Class A discrete amplifiers are utilized for the  input and output drive interface with+36dB input headroom. A high  quality analog VU meter indicates accurate gain reduction. Twin 60dB  range LED meters provide fast L-R output status of all levels.\u003c\/span\u003e \u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449474969703,"sku":"29301","price":1725.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/vt_747_sp_a_zoom_f40d8721-a04c-4852-a06f-84d05b6cd35b.jpg?v=1787089096"},{"product_id":"avalon-ad2055-used","title":"Avalon AD2055 (Used)","description":"\u003cp\u003eA combination of Avalon's pure Class A technology with the best in passive and active filter topology. You get high resolution transient detail and auto-bias DC servo loop control, eliminating the need for all interstage capacitor coupling. Includes a B2t power supply.\u003cbr\u003e\u003cbr\u003e Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e100% discrete, pure class A     Passive and active filter design \u003c\/li\u003e\n\u003cli\u003eTransparent, minimal signal path \u003c\/li\u003e\n\u003cli\u003eVery low noise-94dB \u003c\/li\u003e\n\u003cli\u003eBalanced DC inputs and outputs \u003c\/li\u003e\n\u003cli\u003e Hard wire relay bypass \u003c\/li\u003e\n\u003cli\u003eHigh headroom+30dB output \u003c\/li\u003e\n\u003cli\u003eTwin seven octave mid-sweep     X10 frequency multipliers \u003c\/li\u003e\n\u003cli\u003eWide bandwidth 1Hz to 500kHz \u003c\/li\u003e\n\u003cli\u003eSealed silver relays \u003c\/li\u003e\n\u003cli\u003eDiscrete class A power regulators\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449475788903,"sku":"932","price":2295.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_ad2055_1_c5151d97-690c-464d-ba65-229c6417957e.jpg?v=1787089099"},{"product_id":"avalon-vt-737-sp-20054-used","title":"Avalon VT 737 SP #20054 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449476771943,"sku":"29303","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737_sp_20054_front_d6bda353-16f9-4856-b3f6-a309ff88109f.jpg?v=1787089104"},{"product_id":"avalon-vt-737-sp-20053-used","title":"Avalon VT 737 SP #20053 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449476804711,"sku":"29302","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737_sp_20053_2c7aa374-994b-4efd-9190-397a46da113b.jpg?v=1787089104"},{"product_id":"avalon-vt-737-sp-40118-used","title":"Avalon VT 737 SP #40118 (Used)","description":"\u003cdiv\u003eRevised version with aluminum knobs. Multi-featured unit with tube  microphone\/instrument preamplifier, opto-compressor, and sweep  equalizer.\u003cbr\u003e\u003cbr\u003eThe Avalon VT-737SP features a combination of tube preamplifiers,  opto-compressor, sweep equalizer, output level and VU metering in a 2U  space.\u003cbr\u003e\u003cbr\u003ePREAMPLIFIER \u003cbr\u003eThe VT-737SP has three input selections:  1. The VT-737SP features a higher-performance microphone input  transformer with +48v phantom selection. 2. Instrument DI high source  input with jack located on front panel. 3. Balanced line input, discrete  high-level Class A. The Class A preamplifier utilizes two cascaded,  dual vacuum tube triodes configured with minimum negative feedback. A  high gain switch boosts the overall gain of the preamplifier. The four  high quality tubes are configured as singled ended anode coupled  followers. A passive-variable high pass filter and hard-wire relay  bypass completes the input signal conditioning. The phase reverse relay  is available on all three inputs.\u003cbr\u003e\u003cbr\u003eOPTO-COMPRESSOR \u003cbr\u003eThe  opto-compressor features a minimum signal path design with twin Class A  vacuum tube triodes for gain matching. The optical attenuator acts as a  simple passive level controller. Full dynamic control from soft  compression to hard- knee limiting can be achieved with threshold,  ratio-compression, attack and release controls plus gain reduction  selection on the large VU meter. Special spectral control including  de-ess is available with the dual sweep mid EQ to side-chain switch. The  EQ section can be flipped pre or post the opto-compressor via a front  panel switch for alternate effects and tone shaping. Two VT-737SPs can  be linked via a rear panel link cable for stereo tracking. The  compressor bypass is a sealed silver relay for the most direct signal  path.\u003cbr\u003e\u003cbr\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL \u003cbr\u003eThe VT-737SP equalizer  utilizes 100% discrete, Class A-high-voltage transistors for optimum  sonic performance. The high and low frequency bands provide the smooth  characteristics of an all passive design, while the dual mid bands  include variable frequency and switched Q-width selection. The enhanced  range of the mid bands is extended into the high and low bands by the  use of X10 frequency multipliers. The bypass switch incorporates a  sealed silver relay for the most direct signal path. When the EQ to  sidechain is engaged, the high-low EQ remains in the audio path for  \"tone enhancement\". The output level control provides a variable control  of the overall signal path. The output amplifier utilizes another dual  triode vacuum tube driving a 100% discrete, Class A, high-current,  balanced and DC coupled low noise output amplifier.\u003cbr\u003e \u003cbr\u003eAVALON VT-737SP FEATURES\u003cbr\u003eVacuum  tube triode signal path, transformer balanced microphone input,  high-voltage circuits for maximum headroom to +30dB, low noise -92dB,  internal discrete power supply with toroidal transformer, soft-start  tube life extender, stereo link for compressors, all discrete Class A  equalizer with musical passive filter design, sealed silver relays for  signal routing, large control knobs with professional conductive plastic  potentiometers, VU meter for output level monitoring and compressor  gain reduction.\u003c\/div\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449479295079,"sku":"29438","price":1575.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737_40118_front_9403d318-49b0-4460-9ccd-7c33d8e5e8c6.jpg?v=1787089114"},{"product_id":"avalon-vt-737-sp-40118-used-1","title":"Avalon VT 737 SP #43772 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449479327847,"sku":"29439","price":1575.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt737sp_43772_front_3f6baf89-e1ff-44b9-8287-55a7f5b0328f.jpg?v=1787089114"},{"product_id":"avalon-ad2077-mastering-equalizer-used","title":"Avalon AD2077 Mastering Equalizer (Used)","description":"The AD2077 mastering equalizer is an ultraistic design optimizing absolute signal integrity. Design features include 100% discrete pure class A signal amplifiers, state-of-the-art passive and active filter topologies and a DC coupled minimalist signal path. These unique designs offer the professional mastering engineer alternate tone selections in both filter domains while delivering the highest resolution and wide dynamic range with very low noise. Custom gold rotary switches give accuracy in 0.5dB, 1dB and 2dB steps. 104 switched frequencies per channel with X I0 range selectors provide frequency selections from 12Hz to 25kHz at 1\/4 octave intervals. The Avalon AD2077 mastering equalizer is the most musically transparent analog EQ available today!\u003cbr\u003e\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449500102759,"sku":"30525","price":7095.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_ad2077_mastering_equalizer_20ee5a08-778d-4123-9bc7-c3a66a752747.jpg?v=1787089219"},{"product_id":"avalon-u5-direct-box-used","title":"Avalon U5 Direct Box (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon U5\u003c\/strong\u003e high-voltage DI-preamp combines a unique passive tone selector  with a variable gain preamp and filter. The high input impedance accepts  a wide variety of signal levels and instruments from acoustic guitars  to high-output active bass guitars and keyboards. The U5 direct box is  loaded with sonic character and user features professionals demand. \u003cbr\u003e \u003cbr\u003e\u003cstrong\u003e Sonic Excellence\u003cbr\u003e\u003c\/strong\u003e The  U5 Pure Class A instrument DI \u0026amp; preamplifier is the most  powerful direct box available today. Designed to optimize absolute  signal integrity and musical performance, the U5 includes many features  and sonic excellence unequaled by lesser designs. The U5 is ideal for  bass guitar and acoustic instruments, electric guitars, keyboards,  synthesizers and low output pickups. \u003cbr\u003e \u003cbr\u003e Features include state-of-the-art, high input impedance input stage for  zero load effect on sensitive pickups and keyboards, 100% discrete, Pure  Class A signal amplifiers, practical user features and rugged hardware  designed to deliver true high performance audio for many years. \u003cbr\u003e \u003cbr\u003e\u003cstrong\u003e Designed for Deep and Controlled Bass\u003cbr\u003e\u003c\/strong\u003e Avalon U5 DI-preamps have been in use around the world since 1995. They  have found their way into the world's leading musicians' rigs and  recording sessions and been featured on thousands of the best selling  (and sounding) albums and live performances. \u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eMinimum Signal Path Design\u003c\/strong\u003e\u003cbr\u003e The U5 includes a variable gain Class A preamplifier to boost low level  pickup signals and a high level speaker input for capturing the live  sound of the instruments amplifier. Six passive tone-EQ curves are also  included to enhance a variety of acoustic and electric instruments. A  high-cut switch eliminates unwanted acoustic pickup and high frequency  noise, while a headphone monitor amp has been included for personal  listening. Twin DC coupled Class A output amplifiers drive both low  level microphone preamp inputs and high level +4dB inputs for direct to  tape recording or processing. The active-to-thru switch selects either  the instrument input directly or sends the boosted-equalized signal to  the amplifier via the front panel jack. A ground isolation switch  eliminates any possible earth loop or AC buzz problems with complete  safety.\n\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong style=\"color: #d89126;\"\u003ePlease note: \u003c\/strong\u003e\u003cspan style=\"color: #000000;\"\u003eStock photo used. Available item may not be the exact one pictured, but is in very similar condition.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449504526439,"sku":"17757","price":450.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_u5_direct_box_cat_40364c56-b86c-478d-b026-b5bb4268c920.jpg?v=1787089237"},{"product_id":"avalon-vt-747sp-demo-deal","title":"Avalon VT-747sp (Demo Deal)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-747SP\u003c\/strong\u003e combines a creative stereo tube-discrete Class A spectral-opto-compressor with a musical six band program equalizer, L-R output level and gain reduction metering and internal regulated power supplies in a 2U space. Ideal for high performance DAW input signal conditioning, stereo buss compression-EQ, stereo keyboards and analog mastering applications.\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449512685671,"sku":"31345","price":2095.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon_vt747sp_1_1_b9760635-0d91-4990-aa43-eba4d2ac2b52.jpg?v=1787089268"},{"product_id":"avalon-vt-737-21695-used","title":"Avalon VT 737 #21695 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449516060775,"sku":"31032","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737__21695_eb4ec417-3939-4941-bb5e-1d3788cac1d4.jpg?v=1787089279"},{"product_id":"avalon-vt-737-sp-channel-strip-used","title":"Avalon VT 737 SP Channel Strip (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449527136359,"sku":"31556","price":1495.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737_sp_channel_strip_cat_bc70ddc0-5e7c-489b-aa0a-823a46176eb9.jpg?v=1787089321"},{"product_id":"avalon-ad2044-used","title":"Avalon AD2044 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon AD2044\u003c\/strong\u003e features 100% discrete, pure class A signal amplifier configured with high speed current monitored optical control elements. These \"invisible\" opto elements enable the AD2044 to deliver totally transparent, low noise gain reduction within the minimalist signal path design. No VCAs are incorporated. Variable attack and release controls plus side chain access, provide unlimited creative control from soft compression to hard limiting. \u003cbr\u003e \u003cbr\u003e SONIC EXCELLENCE The Avalon AD2044 Pure Class A opto-compressor is the most transparent, low noise optical-compressor available today. Designed to optimize absolute signal integrity and musical performance, the AD2044 combines advanced electronics with sonic excellence unequaled by lesser designs. The AD2044 is the perfect solution for two buss music-program compression, mono bass and instruments and mastering applications. \u003cbr\u003e \u003cbr\u003e Features include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers, practical \"real-world\" user features and rugged hardware designed to deliver true high performance audio for many years. \u003cbr\u003e \u003cbr\u003e LINEAR OPTICAL COMPRESSION Custom manufactured, high speed linear opto elements provide the non invasive passive attenuator system for invisible gain reduction. The AD2044 incorporates a unique external control loop and current monitored optical driver for smooth control plus the benefits of traditional vintage LDR compression. \u003cbr\u003e \u003cbr\u003e MINIMUM SIGNAL PATH DESIGN Avalon's advanced true symmetry design offers high-voltage, large headroom, extended bandwidth and very low noise. The use of 100% discrete, Pure Class A signal amplifiers offer the serious music professional unlimited sonic character and a natural harmonic detail that enhances the program material and becomes one with the music itself. \u003cbr\u003e \u003cbr\u003e The AD2044 can be found in the world's leading recording studio's, mastering facilities and artist\/producers outboard racks. These professionals rely on the AD2044 daily to help them complete their \"sonic signature\" and turn recordings into musical masterpieces.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449527169127,"sku":"11237","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_ad2044_cat_1_508c49f1-aed1-44e7-b5f1-e26549a11987.jpg?v=1787089322"},{"product_id":"avalon-vt-737-33924-used","title":"Avalon VT 737 #33924 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449546862695,"sku":"32640","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737__nz2_cat_726e8d9b-9ed5-43c0-b835-e9b0116e9e79.jpg?v=1787089403"},{"product_id":"avalon-vt-737-33923-used","title":"Avalon VT 737 #33923 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449546895463,"sku":"32639","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737__nz1_cat_1_6b21d4a4-0878-4c34-98a1-c73ef881e5a9.jpg?v=1787089403"},{"product_id":"avalon-vt-747-sp-34094-used","title":"Avalon VT 747 SP #34094 (Used)","description":"\u003cp\u003eThe \u003cspan style=\"font-weight: bold;\"\u003eAvalon VT-747SP\u003c\/span\u003e combines a creative stereo tube-discrete Class A spectral-opto-compressor with a musical six band program equalizer, L-R output level and gain reduction metering and internal regulated power supplies in a 2U space. Ideal for high performance DAW input signal conditioning, stereo buss compression-EQ, stereo keyboards and analog mastering applications.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStereo Class A opto-compressor with spectral control\u003c\/li\u003e\n\u003cli\u003eStereo Class A 6- band discrete passive program EQ\u003c\/li\u003e\n\u003cli\u003eTSP twin signal path, vacuum tube bypass\u003c\/li\u003e\n\u003cli\u003eLow noise -92dB\u003c\/li\u003e\n\u003cli\u003eFully balanced Class A input and DC coupled outputs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449564754023,"sku":"34421","price":1650.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_747_sp__34094_cat_8ccfd77f-0037-49a3-8541-34538a1a6bf7.jpg?v=1787089480"},{"product_id":"avalon-vt-737-sp-50993-used","title":"Avalon VT 737 SP #50993 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449570619495,"sku":"34605","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_747_sp__50993_cat_1c91cdcf-4721-4349-aaf1-2d58d735c696.jpg?v=1787089506"},{"product_id":"avalon-vt-737-51400-used","title":"Avalon VT 737 #51400 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449571700839,"sku":"34673","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737__51400_cat_ad1cf5ec-90a4-401d-90d4-1884c25c6313.jpg?v=1787089511"},{"product_id":"avalon-vt-737-18080-used","title":"Avalon VT 737 #18080 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449571733607,"sku":"34053","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737__18080_cat_01e4010b-4888-4b15-8b1d-107c7970d5bb.jpg?v=1787089511"},{"product_id":"avalon-vt-737-sp-19850-used","title":"Avalon VT 737 SP #19850 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449571799143,"sku":"34527","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_737_sp__19850_cat_809723ec-a23b-4248-a123-0e69f410db56.jpg?v=1787089511"},{"product_id":"avalon-ad2022-48305-used","title":"Avalon AD2022 #48305 (Used)","description":"The AD2022 is Avalon's fourth generation of fully discrete, symmetrical Pure Class A microphone preamplifiers. The dual mono AD2022 includes the original sonic capabilities and transparency of the M2, M22 and M5 preamplifiers plus several additional features, including selectable microphone source loading for optimized cable\/mic matching, improved high-voltage Class A regulated power supplies, two high Z instrument inputs, variable-passive high pass filter, teflon\/silver wiring and doubled plated circuit boards for superior low level signal transfer.\u003cbr\u003e\u003cbr\u003ePurchase price includes VK premium servicing with 6 month warranty","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449574060135,"sku":"33900","price":1625.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_ad2022__48305_cat_0508efb0-1926-45c0-bf9f-da47cf9513e3.jpg?v=1787089522"},{"product_id":"avalon-ad2022-47592-used","title":"Avalon AD2022 #47592 (Used)","description":"The AD2022 is Avalon's fourth generation of fully discrete, symmetrical Pure Class A microphone preamplifiers. The dual mono AD2022 includes the original sonic capabilities and transparency of the M2, M22 and M5 preamplifiers plus several additional features, including selectable microphone source loading for optimized cable\/mic matching, improved high-voltage Class A regulated power supplies, two high Z instrument inputs, variable-passive high pass filter, teflon\/silver wiring and doubled plated circuit boards for superior low level signal transfer.\u003cbr\u003e\u003cbr\u003ePurchase price includes VK premium servicing with 1 year warranty","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449574223975,"sku":"33899","price":1695.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_ad2022__47592_cat_d4d57f4f-5098-44fd-98e2-622057cfb4aa.jpg?v=1787089522"},{"product_id":"avalon-ad2055-24161-used","title":"Avalon AD2055 #24161 (Used)","description":"A combination of Avalon's pure Class A technology with the best in passive and active filter topology. You get high resolution transient detail and auto-bias DC servo loop control, eliminating the need for all interstage capacitor coupling. Includes a B2t power supply.\u003cbr\u003e\u003cbr\u003eThe \u003cb\u003eAvalaon AD2055\u003c\/b\u003e combines 100% discrete, pure class A signal amplifiers with state-of- the-art passive and active filter topologies. The AD2055's unique circuitry delivers very high resolution transient detail at the operational extremes of real world equalization demands. The AD2055 auto-bias DC servo loop control eliminates the need for all interstage capacitor coupling. The AD2055 breathes life into all musical performances! \u003cbr\u003e\u003cbr\u003e\u003cb\u003eSONIC EXCELLENCE\u003c\/b\u003e\u003cbr\u003eThe Avalon AD2055 Pure Class A music equalizer is the most powerful, low noise parametric equalizer available today. Designed to optimize absolute signal integrity and musical performance, the AD2055 combines the best of active and passive filter topologies with sonic excellence unequaled by lesser designs. The AD2055 is the perfect solution for two buss music-program equalization, special instrument EQ and FX applications and ultra high performance mastering studio's. \u003cbr\u003e\u003cbr\u003eFeatures include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers, practical user features and rugged hardware designed to deliver true high performance audio for many years. \u003cbr\u003e\u003cbr\u003e\u003cb\u003ePASSIVE-ACTIVE FILTER DESIGN\u003c\/b\u003e\u003cbr\u003eAvalon equalizers feature the unique combination of both active and passive filter EQ designs. This special combination enables the AD2055 to deliver high speed transient detail at the operational extremes of real-world equalization demands. The passive high and low bands offer alternate musical tone range to the full function active parametric mid bands. Passive equalizers have long been a favorite with music lovers around the world. Full bodied, powerful (up to +\/-32dB, 64dB range !) and sweet frequency selections are the benefits of the passive high-low EQ bands. The full bandwidth twin mid bands provide variable frequency selection (X10 frequency multipliers for very wide range), variable Q (width) and amplitude control. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eMINIMUM SIGNAL PATH DESIGN\u003c\/b\u003e\u003cbr\u003eAvalon's advanced true symmetry design offers high-voltage, large headroom, extended bandwidth and very low noise. The use of 100% discrete, Pure Class A signal amplifiers give the serious music professional unlimited sonic character and a natural harmonic detail that enhances the program material and becomes one with the music itself. The Avalon AD2055 breathes life!.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449575272551,"sku":"33930","price":2450.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_ad2055__24161_cat_23aa1e00-4bec-466b-a25c-36d37051fe50.jpg?v=1787089527"},{"product_id":"avalon-vt-747-sp-56052-used","title":"Avalon VT 747 SP #56052 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449579434087,"sku":"33872","price":1595.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_avalon_vt_747_sp__56052_cat_ef2d1e1c-830f-4a75-85d7-d10d8b4eee7b.jpg?v=1787089546"},{"product_id":"avalon-vt-737-sp-25074-used","title":"Avalon VT 737 SP #25074 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449584283751,"sku":"35245","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_35245_1_f148aa18-3067-44c2-8f24-20725f71d1e3.jpg?v=1787089567"},{"product_id":"avalon-vt-737-sp-60425-used","title":"Avalon VT 737 SP #60425 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449584873575,"sku":"35348","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_35348_1_d126ca7d-7902-4861-9907-95fb4af53b34.jpg?v=1787089570"},{"product_id":"avalon-vt-737-31285-used","title":"Avalon VT 737 #31285 (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eAvalon VT-737SP\u003c\/strong\u003e is a channel strip featuring a combination of tube pre-amplifiers, opto compressor, sweep equalizer, output level and VU metering in a 2U space.\u003c\/p\u003e  \u003ch3 id=\"toc_0\"\u003ePREAMPLIFIER\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP has three input selections:\u003c\/p\u003e  \u003col\u003e \u003cli\u003eThe VT-737SP features a higher-performance microphone input transformer with +48V phantom selection\u003c\/li\u003e \u003cli\u003eInstrument DI high source input with jack located on front panel\u003c\/li\u003e \u003cli\u003eBalanced line input, discrete high-level Class A\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003eThe Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback.  A high gain switch boosts the overall gain of the preamplifier.  The four high quality tubes are configured as singled ended anode coupled followers.  A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003c\/p\u003e  \u003ch3 id=\"toc_1\"\u003eOPTO COMPRESSOR\u003c\/h3\u003e  \u003cp\u003eThe opto compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching.  The optical attenuator acts as a simple passive level controller.  Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto compressor via a front panel switch for alternate effects and tone shaping.  Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003c\/p\u003e  \u003ch3 id=\"toc_2\"\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL\u003c\/h3\u003e  \u003cp\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance.  The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection.  The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers.  The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement.\"  The output level control provides a variable control of the overall signal path.  The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003c\/p\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449602469991,"sku":"37294","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_37294_1_c9b8f7a5-c055-4848-8f11-a83dd371c2e1.jpg?v=1787089648"},{"product_id":"avalon-vt-737-28949-used","title":"Avalon VT 737 #28949 (Used)","description":"Very clean used condition. Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.\u003cbr\u003e\u003cbr\u003eServiced, with a 6-month warranty.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449613086823,"sku":"37632","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_37632_1_72ea60b2-a241-4d01-8fc2-df6393d3673b.jpg?v=1787089695"},{"product_id":"avalon-vt-737-30670-used","title":"Avalon VT 737 #30670 (Used)","description":"Very clean used condition. Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.\u003cbr\u003e\u003cbr\u003eServiced, with a 6-month warranty.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449613119591,"sku":"37633","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_37633_1_23c42e32-c62b-49ab-a1fe-92ed56054c89.jpg?v=1787089695"},{"product_id":"avalon-vt-737-15400-used","title":"Avalon VT 737 #15400 (Used)","description":"Very clean used condition. Original version with purple knobs. Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449613742183,"sku":"37405","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_37405_1_dfb66d3d-ed0f-4b56-afb3-a72be39034d1.jpg?v=1787089697"},{"product_id":"avalon-vt-737-sp-42082-used","title":"Avalon VT 737 SP #42082 (Used)","description":"Very clean used condition. Revised version with aluminum knobs. Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.\u003cbr\u003e\u003cbr\u003eThe \u003cb\u003eAvalon VT-737SP \u003c\/b\u003efeatures a combination of TUBE preamplifiers, opto-compressor, sweep equalizer, output level and VU metering in a 2U space.\u003cbr\u003e\u003cbr\u003ePREAMPLIFIER \u003cbr\u003eThe VT-737SP has three input selections: 1. The VT-737SP features a higher-performance microphone input transformer with +48v phantom selection. 2. Instrument DI high source input with jack located on front panel. 3. Balanced line input, discrete high-level Class A. The Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback. A high gain switch boosts the overall gain of the preamplifier. The four high quality tubes are configured as singled ended anode coupled followers. A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003cbr\u003e\u003cbr\u003eOPTO-COMPRESSOR \u003cbr\u003eThe opto-compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching. The optical attenuator acts as a simple passive level controller. Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto-compressor via a front panel switch for alternate effects and tone shaping. Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003cbr\u003e\u003cbr\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL \u003cbr\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance. The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection. The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers. The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement\". The output level control provides a variable control of the overall signal path. The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003cbr\u003e \u003cbr\u003eAVALON VT-737SP FEATURES\u003cbr\u003e\u003cbr\u003eVacuum tube triode signal path, transformer balanced microphone input, high-voltage circuits for maximum headroom to +30dB, low noise -92dB, internal discrete power supply with toroidal transformer, soft-start tube life extender, stereo link for compressors, all discrete Class A equalizer with musical passive filter design, sealed silver relays for signal routing, large control knobs with professional conductive plastic potentiometers, VU meter for output level monitoring and compressor gain reduction.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449617084519,"sku":"37707","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_37707_1_311d26b0-bd99-458d-b43c-7738c92bd121.jpg?v=1787089713"},{"product_id":"avalon-vt-737-41418-used","title":"Avalon VT 737 #41418 (Used)","description":"Very clean used condition. Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.\u003cbr\u003e\u003cbr\u003eServiced.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449664172135,"sku":"40883","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_40883_1_62a9279e-583f-4bc3-883d-00f3e21f527f.jpg?v=1787089896"},{"product_id":"avalon-vt-737-sp-21276-used","title":"Avalon VT 737 SP #21276 (Used)","description":"Very clean used condition. Revised version with aluminum knobs. Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.\u003cbr\u003e\u003cbr\u003eThe \u003cstrong\u003eAvalon VT-737SP \u003c\/strong\u003efeatures a combination of TUBE preamplifiers, opto-compressor, sweep equalizer, output level and VU metering in a 2U space.\u003cbr\u003e\u003cbr\u003ePREAMPLIFIER \u003cbr\u003eThe VT-737SP has three input selections: 1. The VT-737SP features a higher-performance microphone input transformer with +48v phantom selection. 2. Instrument DI high source input with jack located on front panel. 3. Balanced line input, discrete high-level Class A. The Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback. A high gain switch boosts the overall gain of the preamplifier. The four high quality tubes are configured as singled ended anode coupled followers. A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs.\u003cbr\u003e\u003cbr\u003eOPTO-COMPRESSOR \u003cbr\u003eThe opto-compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching. The optical attenuator acts as a simple passive level controller. Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch. The EQ section can be flipped pre or post the opto-compressor via a front panel switch for alternate effects and tone shaping. Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path.\u003cbr\u003e\u003cbr\u003eSWEEP-EQUALIZER AND OUTPUT LEVEL \u003cbr\u003eThe VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance. The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection. The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers. The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for \"tone enhancement\". The output level control provides a variable control of the overall signal path. The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.\u003cbr\u003e \u003cbr\u003eAVALON VT-737SP FEATURES\u003cbr\u003e\u003cbr\u003eVacuum tube triode signal path, transformer balanced microphone input, high-voltage circuits for maximum headroom to +30dB, low noise -92dB, internal discrete power supply with toroidal transformer, soft-start tube life extender, stereo link for compressors, all discrete Class A equalizer with musical passive filter design, sealed silver relays for signal routing, large control knobs with professional conductive plastic potentiometers, VU meter for output level monitoring and compressor gain reduction.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449665548391,"sku":"41443","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_41443_1_b6a4776c-a9d1-4309-983b-c1d57f68d276.jpg?v=1787089903"},{"product_id":"avalon-ad2022-41359-used","title":"Avalon AD2022 #41359 (Used)","description":"The AD2022 is Avalon's fourth generation of fully discrete, symmetrical Pure Class A microphone preamplifiers. The dual mono AD2022 includes the original sonic capabilities and transparency of the M2, M22 and M5 preamplifiers plus several additional features, including selectable microphone source loading for optimized cable\/mic matching, improved high-voltage Class A regulated power supplies, two high Z instrument inputs, variable-passive high pass filter, teflon\/silver wiring and doubled plated circuit boards for superior low level signal transfer.\u003cbr\u003e\u003cbr\u003ePurchase price includes VK premium servicing","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449667743847,"sku":"41307","price":1695.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_41307_1.jpg?v=1787089912"},{"product_id":"avalon-ad2044-22611-used","title":"Avalon AD2044 #22611 (Used)","description":"Very clean example of this unit. Includes B2T 200w PSU. \u003cbr\u003e\u003cbr\u003ePremium VK serviced.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449669021799,"sku":"41246","price":1567.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/avalon-ad2044-22611-used-4018997_6c6ac55a-7b50-4261-aedf-adec514817af.jpg?v=1787089916"},{"product_id":"avalon-ad2044-27641-used","title":"Avalon AD2044 #27641 (Used)","description":"Very clean example of this unit. 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Multi-featured unit with tube microphone\/instrument preamplifier, opto-compressor, and sweep equalizer.\u003cbr\u003e\u003cbr\u003eServiced.","brand":"Avalon Design","offers":[{"title":"Default Title","offer_id":44449671250023,"sku":"41603","price":1550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_41603_1_a355f452-55b3-4056-ac0e-2df789d01c4d.jpg?v=1787089925"}],"url":"https:\/\/vintageking1.myshopify.com\/collections\/avalon-design.oembed","provider":"VINTAGE KING AUDIO","version":"1.0","type":"link"}