{"title":"Benchmark","description":null,"products":[{"product_id":"benchmark-mpa1","title":"Benchmark MPA1","description":"\u003cp\u003eThe \u003cstrong\u003eBenchmark MPA1\u003c\/strong\u003e is a two-channel microphone preamplifier designed and manufactured by Benchmark Media Systems, Inc.  The MPA1 is meticulously designed to Benchmark standards of transparency, ultra-low distortion, and ultra-low noise performance - making the MPA1 a perfect choice for stereo pairs, ribbon mics, and any other application where purity is the goal.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003ePristine Input Stage\u003c\/strong\u003e\u003cbr\u003e The input stage of the MPA1 is designed with high-voltage headroom (+29 dBu) and single-stage gain control to maximize signal-to-noise ratio.  The MPA1 maintains superb noise performance across the entire gain range (74 dB) by utilizing precision-matched, low-noise, transistor quad-arrays.  A servo-controlled circuit minimizes DC-offset and maximizes headroom.\u003cbr\u003e Complete Low Frequency Response\u003cbr\u003e \u003cbr\u003e The MPA1 exhibits exceptional low-frequency performance with a clever dual-capacitor AC-coupling design.  This dual-capacitor design defeats the limitations of single-capacitor AC-coupling designs, achieving an exceptionally low corner-frequency with excellent subsonic phase-accuracy.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eInnovative Stepped-Resistor Gain Control\u003c\/strong\u003e\u003cbr\u003e The gain control of the MPA1 is completely unique.  The gain is controlled via a 38-position, switched resistor ladder, set up in a continuously rotating orientation via relay control.  This gain control circuit offers 2 dB per step, 0-74 dB of gain without attenuation, and inter-channel gain precision of +\/- 0.03 dB.  A make-beforebreak scheme creates a silent switching circuit.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eElegant Phantom Power Protection\u003c\/strong\u003e\u003cbr\u003e The transistor stage is protected from phantom power surges with an ultra-fast, multi-stage protection circuit.  This circuit utilizes the high-speed capabilities of low-capacitance Schotky diodes and the high-current capabilities of TVS diodes to absorb the phantom power surges caused by shorts and plugging\/unplugging microphones with +48V on.  This circuit is pre-biased so that it is isolated from the circuit in normal operation and activated when a surge occurs.\u003c\/p\u003e","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449241202791,"sku":"14979","price":1795.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_mpa1_1.jpg?v=1787088274"},{"product_id":"benchmark-pre420","title":"Benchmark PRE420 4-Channel Microphone Preamp","description":"\u003cp\u003eThe \u003cstrong\u003eBenchmark PRE420\u003c\/strong\u003e is a remarkable four-channel microphone preamplifier with an integrated stereo mix bus and stereo\/mono solo bus in a sleek, 1u chassis.  The PRE420 is designed for maximum transparency, wide bandwidth, low-noise, low-distortion, and superior RF immunity.  It is well suited for the most demanding applications in studios and live venues.\u003cbr\u003e \u003cbr\u003e Even high-end preamplifiers can mask subtle details because of intermodulation distortion, a symptom of RF interference and non-linear performance at ultra-sonic frequencies.  This non-linearity causes inter-modulation distortion (IMD) components that fold down to audible frequencies.\u003cbr\u003e \u003cbr\u003e Unlike harmonic distortion (THD), IMD produces distortion tones that are very un-natural and non-musical.  IMD also masks and alters the subtle details of delicate high-frequency transients such as those produced by bells.  Benchmark MPS series preamps have always had outstanding high-frequency performance as well as freedom from IMD.  The PRE420 takes the Benchmark design one step further, and achieves the lowest IMD that we have ever measured in any microphone preamplifier - the innovative circuitry provides ultra-low distortion over a 500kHz bandwidth while maintaining RF-immunity in the most demanding environments.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eThe PRE420 is equipped with Benchmark's exclusive CMF1™™ RF-filter\u003c\/strong\u003e\u003cbr\u003e The CMF1™ has been extensively tested and proven in Benchmark's MPS mic-pre series by experienced studio and remote recording engineers in heavy RF fields - such as venues in close proximity to broadcast antennas.  This RF-immunity is coupled with ultra-low distortion performance at high-frequencies beyond the reach of most mic-pres, giving your audio remarkable realism.  With amazingly low THD+N of 0.00024% (see specs), we welcome you to compare the PRE420's performance specifications with any other mic pre available.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eMirrorPan™ Minimizes Distortion \u0026amp; Ensures Constant-Power Precision Panning\u003c\/strong\u003e\u003cbr\u003e MirrorPan's™ innovative mirrored-circuitry, from which the name is derived, eliminates the non-linear distortion caused by potentiometer wiper-current.  The result is excellent channel separation and remarkably accurate imaging.  The center-detent position is factory calibrated for precise center-placement.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eElegant \u0026amp; Completely Unique Feature Set\u003c\/strong\u003e\u003cbr\u003e An elegant and completely unique feature set compliments the uncompromised sonic integrity of the PRE420.\u003cbr\u003e \u003cbr\u003e A solo section allows monitoring of any channel or combination of channels (with switchable stereo\/mono) via control room XLR outputs and the integrated HPA2™ - Benchmark's signature high-current, 0-Ohm headphone amplifier.  The PRE420's main mix bus XLR outputs are monitored via a dual, variable intensity signal level meter and peak-warning indicator*.\u003cbr\u003e \u003cbr\u003e Each of the four channels has an independent direct XLR output, a variable intensity signal level meter and peak-warning indicator*, and MirrorPan™ control.  Each channel features a precisely matched 41-position first-stage gain control factory preset to a maximium gain of 60dB (internally adjustable up to 70dB for special applications).\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eThe next evolution of Benchmark's legendary MPS-420 microphone preamplifier.\u003c\/strong\u003e\u003cbr\u003e The PRE420 is the next evolution of Benchmark's legendary MPS-420 microphone preamplifier.  We have improved the performance while adding meters, a mix bus, a solo bus, and an internal power supply.  The added features do not compromise the performance of the classic Benchmark design.  In all respects, the PRE420 meets or exceeds the performance of the MPS series preamps.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eRF-Immune Wide Bandwidth Design\u003c\/strong\u003e\u003cbr\u003e The entire PRE420 has a 500 kHz bandwidth - and wide bandwidth demands exceptional RF filtering and shielding.  The multi-layer printed circuit board uses a special construction technique that creates a 3-dimensional shield surrounding all signal traces.\u003cbr\u003e \u003cbr\u003e Each microphone input features Benchmark's exclusive CMF1™™ common-mode RF input filter.  This circuit removes common-mode RF interference without affecting the balanced microphone input signal.  The CMF1™™ has always been a key component in Benchmark preamps, and has resulted in a proven track record for exceptional performance in difficult high-RF venues.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eMicrophone Inputs\u003c\/strong\u003e\u003cbr\u003e Each of the PRE420's four microphone inputs includes switches for +48V Phantom power, a 20dB pad, and a 40Hz high-pass filter.\u003cbr\u003e \u003cbr\u003e The PRE420 achieves outstanding performance over a wide range of input levels.  Gain is controlled by matched 41-detent pots and is adjustable over a range of 22dB to 60dB (without pad), or 2dB to 40dB (with pad enabled).  The mix bus can provide an additional gain of up to 6 dB.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eHigh-Current XLR Analog Outputs\u003c\/strong\u003e\u003cbr\u003e The PRE420 has a total of 8 XLR-type analog outputs: four direct outputs, two control room outputs, and two stereo outputs.  All outputs feature low-distortion, high-current drivers that easily handle long cables and other less-than-ideal loads.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eAstonishingly low-noise stereo mix\u003c\/strong\u003e\u003cbr\u003e The PRE420 features an astonishingly low-noise stereo mix bus driven by Benchmark's proprietary MirrorPan™ circuitry to achieve precise, distortion-free, constant-power panning.  The mix bus allows pristine direct-to-stereo recording from up to four microphones.  The balanced stereo outputs are equipped with meters and a master level control.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eConvenient Flexibility \u0026amp; Un-compromised Performance\u003c\/strong\u003e\u003cbr\u003e The convenient flexibility of these unique features in no way compromises the pristine audio path.  The PRE420's RF-immune, wide-bandwidth circuitry faithfully delivers stunningly high resolution to all direct, stereo, control room, and headphone outputs.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003eUgged Yet Elegant Chassis\u003c\/strong\u003e\u003cbr\u003e A ugged 1u enclosure includes an internal power supply that supports all international voltages and has generous margins for over-voltage and under-voltage conditions.  It features a core-banded toroidal transformer in a shielded enclosure.\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449241235559,"sku":"14976","price":2795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_pre_420_1.jpg?v=1787088274"},{"product_id":"benchmark-dac1-black-rackmount","title":"Benchmark DAC1 Black Rackmount","description":"\u003cp\u003eThe \u003cspan style=\"font-weight: bold;\"\u003eBenchmark DAC1\u003c\/span\u003e is a reference-quality, two-channel 96 kHz 24-bit audio digital-to-analog converter featuring Benchmark’s UltraLock™ technology. The DAC1 is designed for maximum transparency and is well suited for critical playback in studio control rooms and in mastering rooms. A compact and rugged enclosure makes the DAC1 an excellent choice for location recording, broadcast facilities, and mobile trucks. The internal power supply supports all international voltages and has generous margins for over and under voltage conditions. Two ¼” headphone jacks are driven with Benchmark’s new HPA2™ headphone amplifier. The HPA2™ is a high-current amplifier that is capable of driving a wide variety of headphone loads while achieving less than 0.0003% distortion under load. The gain control sets the output level of the headphone jacks. It can also be used to control the output level of the balanced XLR and unbalanced RCA analog outputs. A rear-panel switch selects Variable or Calibrated output levels.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-channel, 24-bit, 96 kHz, D-to-A conversion\u003c\/li\u003e\n\u003cli\u003ePlays 96 kHz with 52-kHz analog bandwidth\u003c\/li\u003e\n\u003cli\u003eDirect connection to powered monitors\u003c\/li\u003e\n\u003cli\u003eTotal jitter immunity via UltraLock™ technology!\u003c\/li\u003e\n\u003cli\u003e116 dB signal-to-noise ratio @ 48-kHz, A weighted\u003c\/li\u003e\n\u003cli\u003eTHD+N = -107 dB (0.00045%) measured at\u003c\/li\u003e\n\u003cli\u003e-3 dBFS, any sample rate, any test frequency\u003c\/li\u003e\n\u003cli\u003eAES, S\/PDIF, and Toslink inputs\u003c\/li\u003e\n\u003cli\u003eDigital input source-selection switch\u003c\/li\u003e\n\u003cli\u003eVariable or preset output level controls\u003c\/li\u003e\n\u003cli\u003eBalanced Low-Z XLR outputs\u003c\/li\u003e\n\u003cli\u003eUnbalanced RCA outputs\u003c\/li\u003e\n\u003cli\u003eAutomatic de-emphasis for 44.1, 48, and\u003c\/li\u003e\n\u003cli\u003e96-kHz when pre-emphasis bit is set\u003c\/li\u003e\n\u003cli\u003eHeadphone amp = 0.0003% THD into 60 Ω\u003c\/li\u003e\n\u003cli\u003eOutput-off switch position for headphone-only use\u003c\/li\u003e\n\u003cli\u003eFront panel power and error indicating LEDs\u003c\/li\u003e\n\u003cli\u003eInternal low-radiation toroidal power supply\u003c\/li\u003e\n\u003cli\u003eInternational 120 - 240 input voltage range\u003c\/li\u003e\n\u003cli\u003e1\/2 wide, 1RU high chassis\u003c\/li\u003e\n\u003cli\u003eMachined aluminum front panel\u003c\/li\u003e\n\u003cli\u003eRack mount kit available\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449262731367,"sku":"1672","price":995.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_dac1_black_rackmount_1_43b459bb-408c-463c-ad03-ef985209bb32.jpg?v=1787088356"},{"product_id":"benchmark-dac1-black","title":"Benchmark DAC1 Black","description":"\u003cp\u003eThe \u003cspan style=\"font-weight: bold;\"\u003eBenchmark DAC1\u003c\/span\u003e is a reference-quality, two-channel 96 kHz 24-bit audio digital-to-analog converter featuring Benchmark’s UltraLock™ technology. The DAC1 is designed for maximum transparency and is well suited for critical playback in studio control rooms and in mastering rooms. A compact and rugged enclosure makes the DAC1 an excellent choice for location recording, broadcast facilities, and mobile trucks. The internal power supply supports all international voltages and has generous margins for over and under voltage conditions. Two ¼” headphone jacks are driven with Benchmark’s new HPA2™ headphone amplifier. The HPA2™ is a high-current amplifier that is capable of driving a wide variety of headphone loads while achieving less than 0.0003% distortion under load. The gain control sets the output level of the headphone jacks. It can also be used to control the output level of the balanced XLR and unbalanced RCA analog outputs. A rear-panel switch selects Variable or Calibrated output levels.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-channel, 24-bit, 96 kHz, D-to-A conversion\u003c\/li\u003e\n\u003cli\u003ePlays 96 kHz with 52-kHz analog bandwidth\u003c\/li\u003e\n\u003cli\u003eDirect connection to powered monitors\u003c\/li\u003e\n\u003cli\u003eTotal jitter immunity via UltraLock™ technology!\u003c\/li\u003e\n\u003cli\u003e116 dB signal-to-noise ratio @ 48-kHz, A weighted\u003c\/li\u003e\n\u003cli\u003eTHD+N = -107 dB (0.00045%) measured at\u003c\/li\u003e\n\u003cli\u003e-3 dBFS, any sample rate, any test frequency\u003c\/li\u003e\n\u003cli\u003eAES, S\/PDIF, and Toslink inputs\u003c\/li\u003e\n\u003cli\u003eDigital input source-selection switch\u003c\/li\u003e\n\u003cli\u003eVariable or preset output level controls\u003c\/li\u003e\n\u003cli\u003eBalanced Low-Z XLR outputs\u003c\/li\u003e\n\u003cli\u003eUnbalanced RCA outputs\u003c\/li\u003e\n\u003cli\u003eAutomatic de-emphasis for 44.1, 48, and\u003c\/li\u003e\n\u003cli\u003e96-kHz when pre-emphasis bit is set\u003c\/li\u003e\n\u003cli\u003eHeadphone amp = 0.0003% THD into 60 Ω\u003c\/li\u003e\n\u003cli\u003eOutput-off switch position for headphone-only use\u003c\/li\u003e\n\u003cli\u003eFront panel power and error indicating LEDs\u003c\/li\u003e\n\u003cli\u003eInternal low-radiation toroidal power supply\u003c\/li\u003e\n\u003cli\u003eInternational 120 - 240 input voltage range\u003c\/li\u003e\n\u003cli\u003e1\/2 wide, 1RU high chassis\u003c\/li\u003e\n\u003cli\u003eMachined aluminum front panel\u003c\/li\u003e\n\u003cli\u003eRack mount kit available\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449338228839,"sku":"14975","price":995.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_dac1_black_1.jpg?v=1787088612"},{"product_id":"benchmark-dac1-usb-black-rackmount","title":"Benchmark DAC1 USB Black Rackmount","description":"The \u003cspan style=\"font-weight: bold;\"\u003eBenchmark DAC1 USB\u003c\/span\u003e (USB DAC)\n is a reference-quality, two-channel 96 kHz 24-bit digital-to-analog \naudio converter featuring Benchmark's Advanced USB Audio™ technology, \nUltraLock™ clock system, and HPA2™ headphone amplifier.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEngage the Music with the DAC1 and DAC1\n USB\u003c\/span\u003e\u003cbr\u003e\nThe DAC1 USB is a mastering-quality, two-channel 96 kHz 24-bit \ndigital-to-analog audio converter. For more then 10 years, engineers and\n audiophiles have come to rely on Benchmark for critical digital audio \nconversion. They consistently find themselves engaged in the music in a \nway that is rarely achieved with digital converters.\u003cbr\u003e\n\u003cbr\u003e\nBenchmark has achieved unprecedented sonic purity in their converters \nthrough intelligent engineering, eliminating digital distortion \nartifacts, and maintaining a pristine analog delivery path. The DAC1 USB\n continues this tradition of excellence.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePreserving the Classic DAC1 Heritage\u003c\/span\u003e\u003cbr\u003e\nThe pristine audio path of the award-winning Classic DAC1 has made it \nthe 'Benchmark' of standalone D-to-A converters. The DAC1 USB preserves \nthe exact topology of the audio path of the Classic DAC1, while adding \nsome of the most frequently requested features.\u003cbr\u003e\n\u003cbr\u003e\nThe DAC1 and DAC1 USB both include Benchmark's jitter-immune UltraLock™ \nclock system and Benchmark's 0-ohm HPA2™ headphone amplifier. The DAC1 \nUSB features Benchmarks AdvancedUSB technology to ensure \nbit-transparent, high-resolution playback directly from your computer. \nThe DAC1 USB also includes a programmable mute function that \nautomatically mutes the main outputs upon insertion of a headphone plug.\n Other features that are exclusive to the DAC1 USB include a \nprogrammable headphone gain range, an automatic 'Standby' feature, and a\n high-current output stage designed to drive even the most difficult \nloads.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eJitter-Immune UltraLock™\u003c\/span\u003e\u003cbr\u003e\nDigital interconnect cables, electro-magnetic interference, and many \nother variables introduce jitter into the digital audio. Jitter presents\n a major problem to most D-to-A converters. Jitter is a type of clock \nerror that, if not properly addressed, can cause the D-to-A to misfire. \nThe result of these misfires is a non-musical, digital distortion.\u003cbr\u003e\n\u003cbr\u003e\nMany modern (and expensive) converters suffer from severe jitter-induced\n distortion. Jitter is NOT a problem for the DAC1 and DAC1 USB, which \nachieve jitter immunity by utilizing the proprietary UltraLock™ \nclock-recovery system.\u003cbr\u003e\n\u003cbr\u003e\nWith the UltraLock™ clock-recovery system, the digital-to-analog \nconversion-clock in the DAC1 and DAC1 USB is totally isolated from the \nclock of the digital audio input. This clock-recovery topology \noutperforms even the most well-designed two-stage PLL designs. Using \nstate-of-the-art Audio Precision testing equipment, no jitter-induced \nartifacts can be detected with the DAC1 or the DAC1 USB. Any signal that\n can be decoded by the USB or AES\/EBU receivers will be reproduced \nwithout the addition of any measurable jitter artifacts. The bottom line\n is this: Benchmark converters will consistently and faithfully deliver \ntruthful audio with no jitter-induced artifacts, no matter what \nvariables are present.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eAdvancedUSB Audio Technology\u003c\/span\u003e\u003cbr\u003e\nThe USB interface of the DAC1 USB features Benchmark's unique \nAdvancedUSB technology. This USB interface is completely \nbit-transparent. In other words, every sample of digital audio is \ntransferred from the computer to the DAC1 USB without modification. The \nDAC1 USB is natively compatible with Windows 7\/Vista\/XP\/2000 and Mac OS \nX. As a native device, there are no drivers or other invasive software \nrequired to install or configure. The DAC1 USB is a true plug-and-play \nDAC USB, and is designed to begin playback immediately after the unit is\n connected to a USB port for the first time.\u003cbr\u003e\n\u003cbr\u003e\nUnlike previous native USB audio interfaces, Benchmark's AdvancedUSB \nAudio technology supports 24-bit audio at sample-rates up to 96 kHz. It \nis very important to have a 24-bit USB path, even for 16-bit playback, \nbecause certain computer-related functions can increase 16-bit audio to \n24 bits. If a 16-bit USB DAC is used, 8 bits of every digital audio \nsample would be truncated. Truncating digital audio causes severe, \nnon-musical digital distortion. Benchmark's AdvancedUSB interface \nensures a full 24-bit digital audio path to avoid truncation distortion.\u003cbr\u003e\n\u003cbr style=\"font-weight: bold;\"\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eHPA2™ Headphone Amplifier\u003c\/span\u003e\u003cbr\u003e\nThe DAC1 and DAC1 USB feature the HPA2™ - Benchmark's signature \nhigh-current, 0-Ohm headphone amplifier. The HPA2™ is arguably the \nultimate reference headphone amplifier. It will deliver the full rated \nperformance of the DAC1 and DAC1 USB to the headphones. The HPA2™ \nmaintains less than 0.0003% THD+N under full load. The DAC1 and the DAC1\n USB both have two 1\/4\" headphone jacks on the front panel. The \nperformance of the HPA2™ remains consistent even when two headphones are\n being driven simultaneously.","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449338294375,"sku":"14977","price":1195.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_dac1_usb_rackmount_1.jpg?v=1787088612"},{"product_id":"benchmark-dac1-hdr-black","title":"Benchmark DAC1 HDR Black","description":"The \u003cspan style=\"font-weight: bold;\"\u003eBenchmark DAC1 HDR\u003c\/span\u003e is an all-in-one reference-quality stereo pre-amplifier. This stereo pre-amp brings together all the best features and performance of the award-winning DAC1 family with the convenience of an intelligent remote control solution. The DAC1 HDR combines some of Benchmark's finest engineering accomplishments into one device: the DAC1 digital-to-analog audio converter with UltraLockTM clock system, AdvancedUSBTM computer audio playback (USB DAC) interface, and the legendary HPA2TM headphone amplifier. The unique remote control solution of the DAC1 HDR is built around Benchmark's new HDR-VCTM (high dynamic range volume control).\u003cbr\u003e \u003cbr\u003e Benchmark's product designs have achieved unprecedented sonic purity due to an uncompromising engineering philosophy: eliminate digital distortion artifacts, establish a pristine analog path, and maintain sonic integrity regardless of external factors. The DAC1 HDR continues this tradition of excellence.\u003cbr\u003e \u003cbr\u003e The remote control solution of the DAC1 HDR has an intelligent implementation of dimming and muting. The 'Dim' (quiet) and 'Soft-Mute' settings of the remote control can be easily adjusted independent of the normal volume setting. The DAC1 HDR remembers and recalls your specified 'Dim' setting. This feature is ideal for HDTV users, as it allows you to set your preferred 'Dim' level for commercials, etc. The 'Soft-Mute' function fades down the volume to the 'Dim' level before muting and smoothly raises the volume to the normal level after unmuting. With a generous offering of inputs and outputs, the DAC1 HDR serves as the heart of expansive media and entertainment systems, optimizing the signal path from the various sources to the amplifier. The DAC1 HDR will enhance the audio performance of your digital television, digital cable box, DVD\/CD player, computer, music\/media server, satellite radio, and any other device with a digital audio output. Also, the HDR-VCTM will control the pristine path for an analog source, such as a phono stage, FM tuner, iPod, VCR, tape deck, etc.\u003cbr\u003e \u003cbr\u003e All digital inputs on the DAC1 HDR (including the USB) feature Benchmark's jitter-immune UltraLockTM clock system. The USB interface operates with Benchmark's AdvancedUSBTM native 24-bit, 96 kHz USB technology. The DAC1 HDR features a high-current output stage designed to drive even the most difficult loads. Other features include selectable headphone gain ranges and an auto-mute function for muting the main outputs when headphones are being used.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eHDR-VCTM High Dynamic Range Volume Control\u003c\/span\u003e\u003cbr\u003e The DAC1 HDR features Benchmark's HDR-VCTM (High Dynamic Range Volume Control). The HDR-VCTM is achieved with a custom-built motorized Alps potentiometer. The DAC1 HDR's motor-driven volume control maintains the dynamic range of the converter and audio output. In contrast, digital volume controls reduce dynamic range, and analog volume IC's introduce distortion and noise.\u003cbr\u003e \u003cbr\u003e The acclaimed DAC1 D-to-A conversion system\u003cbr\u003e Recording studios, mastering engineers and audiophiles have grown to rely on Benchmark for critical digital audio conversion for more than 10 years. The superior performance of the award-winning DAC1 has made it the 'Benchmark' of D-to-A converters. With the DAC1 HDR, this built-in state-of-the-art converter will improve the sonic performance of your digital audio sources, including your computer.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eJitter-Immune UltraLock Clock System\u003c\/span\u003e\u003cbr\u003e Benchmark's proprietary UltraLock clock system achieves an unprecedented immunity to jitter. Many modern (and expensive) converters suffer from significant jitter-induced distortion, generating non-musical sideband tones and digital distortion. Benchmark's highly-regarded UltraLock clock system ensures that jitter is never a problem, even under extreme conditions.\u003cbr\u003e \u003cbr\u003e Even in the presence of extremely high input jitter, no jitter-induced artifacts can be detected on the outputs of the DAC1 HDR (using state-of-the-art testing equipment by Audio Precision). UltraLockTM will block more then 12.5 UI of jitter (@ 1 kHz). The UltraLock clock system easily outperforms even the best-designed two-stage PLL designs.\u003cbr\u003e \u003cbr\u003e The bottom line is this: Benchmark converters will consistently and faithfully deliver truthful audio without jitter-induced artifacts, no matter what variables are present.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eAdvancedUSB Audio Technology\u003c\/span\u003e\u003cbr\u003e The USB interface of the DAC1 HDR operates with Benchmark's unique AdvancedUSB technology. Unlike many USB-equipped D\/A converters, Benchmark's AdvancedUSB technology supports 24-bit audio at sample rates up to 96 kHz without the installation ofany drivers or other special software. Benchmark's UltraLockTM clock system isolates the converter from the high levels of jitter that are found on USB interfaces. The DAC1 HDR achieves transparent, audiophile-quality playback through a true plug-and-play solution. Audio streamed via USB is subject to significant amounts of jitter. The AdvancedUSB interface utilizes the UltraLockTM clock system. Consequently, the performance of the USB input is equal to the performance of the other inputs, regardless of the jitter present.\u003cbr\u003e \u003cbr\u003e The DAC1 HDR is natively compatible with Windows 7\/Vista\/XP\/2000 and Mac OS X. As a native device, there are no drivers or other software required to install or configure.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eHPA2TM Headphone Amplifier\u003c\/span\u003e\u003cbr\u003e The DAC1 HDR includes the HPA2TM - Benchmark's signature high-current, 0-Ohm headphone amplifier. The HPA2TM is the ultimate reference headphone amplifier. It will deliver the full rated performance of the DAC1 to the headphones. The HPA2TM maintains less than 0.0003% THD+N under a full load from two sets of headphones. The DAC1 HDR has two 1\/4\" headphone jacks on the front panel.","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449338327143,"sku":"14978","price":1595.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_dac1_hdr_black_1.jpg?v=1787088612"},{"product_id":"benchmark-adc1-usb-black-rackmount","title":"Benchmark ADC1 USB Black Rackmount","description":"\u003cp\u003eThe barrier between analog and digital should not limit the listening experience.  Benchmark's digital converter technology maintains the sense of musical engagement that was originally present when the sounds were created.  The life of the music is never lost in a quagmire of digital artifacts. The depth is never hidden, the image is never smeared. Benchmark converters always deliver faithfully, and consistently exceed expectations.  The \u003cspan style=\"font-weight: bold;\"\u003eBenchmark ADC1 USB\u003c\/span\u003e continues a tradition of excellence.\u003cbr\u003e \u003cbr\u003e The ADC1 USB is a two-channel 24bit\/192-kHz analog-to-digital audio converter with an unprecedented feature set.  This converter was designed to consistently deliver reference quality conversion in 'real-world' conditions. It features Benchmark's jitter-immune UltraLock™(tm) clock system and an extraordinary analog front-end.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eJitter-immune UltraLock™\u003c\/span\u003e\u003cbr\u003e The UltraLock™(tm) system delivers consistent, high-quality conversion even when slaved to a poor quality external clock.  The performance of the ADC1 USB will not degrade when slaved to an external clock - a claim very few converters can make. Enjoy the convenience of a clock input that automatically recognizes AES\/EBU, S\/PDIF, Word Clock, or Super Clock sources - all with the unsurpassed jitter immunity of Benchmark's UltraLock™(tm) clock-isolation system.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eBenchmark's Precision Analog Circuitry\u003c\/span\u003e\u003cbr\u003e Benchmark has a long tradition of building ultra-high performance analog circuits that are designed for maximum transparency.  The ADC1 USB extends this tradition by pushing performance to the limits of today's technology.  The analog front-end delivers low-noise low-distortion high-bandwidth performance over a wide gain range (45dB).  Precise gain and calibration controls allow for accurate channel matching. Capture exact imaging, difficult transients, and subtle details with stunning realism.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eIntelligent Meters\u003c\/span\u003e\u003cbr\u003e The nine-segment dual-range, digital LED meters enable high-precision level monitoring.  Meter response times are matched to the response of the human eye so that every peak is clearly visible.  All metering is fully-digital and is not subject to calibration errors.  A peak hold function allows an infinite hold to verify that an over has not occurred.  Dual ranges allow signal presence monitoring, or precise headroom indication.  The meters even use an upsampling technique to detect and display inter-sample peak overloads.  This upsampled metering warns of potential overloads that may not be detected by conventional digital meters.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eFlexible Digital Outputs\u003c\/span\u003e\u003cbr\u003e The ADC1 USB has a total of 5 digital outputs (1-XLR, 2-coax, 1-optical, and 1-USB).  These can operate simultaneously at up to three independent sample rates. One of the coaxial outputs can be configured for 16-bit TPDF dithered output.  This unique flexibility allows simultaneous recording to a CDR, while recording high-resolution to a digital recorder and a DAW. For example the CDR may operate at 44.1\/16 while the DAW operates at 88.2\/24 while the digital recorder operates at 192\/24.   Backup and\/or reference recordings can be created with ease while high-resolution outputs are fed to primary recording devices. The optical output supports AES or ADAT formats at resolutions up to 192\/24.  In ADAT mode, high sample rates are supported using SMUX2 and SMUX4.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eBenchmark's AdvancedUSB\u003c\/span\u003e\u003cbr\u003e Benchmark's AdvancedUSB solution provides a bit-transparent computer interface that is capable of streaming at rates up to 24 bit\/96 kHz without installing any drivers. This reduces CPU loading, eliminates driver compatibility issues, and greatly improves the reliability of the data transfer.  Benchmark's unique driver-less AdvancedUSB(tm) solution is compatible with Mac OSX and Windows 2000, XP, and Vista. Benchmark's UltraLock™(tm) clock system insures the audio will never be contaminated with jitter-induced artifacts from a poor-quality computer-based clock. With the Benchmark ADC1, the performance of the USB interface matches the quality of the AES and ADAT interfaces. The convenience of a direct computer interface no longer comes with a performance penalty!\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eConsistent Performance\u003c\/span\u003e\u003cbr\u003e Often specifications only indicate how a product will perform under the most optimal conditions.  The ADC1 USB is designed to deliver consistent performance - even in adverse conditions. The ADC1 USB is fully specified at all gain settings, all sample rates, through all digital outputs, and even when locked to a high-jitter clock signal. This performance insures reliable and predictable results in the 'real world'.\u003c\/p\u003e","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449338425447,"sku":"14982","price":1795.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_adc1_usb_1.jpg?v=1787088613"},{"product_id":"benchmark-adc16","title":"Benchmark ADC16","description":"\u003cp\u003eBenchmark’s philosophy is very clear: digital converters should preserve all of the glorious nuances of the source so that the listener can simply engage with the music.  Benchmark’s converters are world-renowned for fulfilling this mandate.\u003cbr\u003e \u003cbr\u003e The \u003cspan style=\"font-weight: bold;\"\u003eBenchmark ADC16\u003c\/span\u003e is, yet again, another successful actualization of this philosophy.  With the ADC16, Benchmark’s storied sonic purity can span across an entire multi-track recording session.  This 16-channel A\/D converter conquers the digital demons that plague so many converters on the market.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eTwo DB25 connectors for transformerless balanced analog input\u003c\/li\u003e\r\n\u003cli\u003e16 channels of analog-to-digital conversion\u003c\/li\u003e\r\n\u003cli\u003eInput gain trimpots for each channel provide high-performance over 20 dB range\u003c\/li\u003e\r\n\u003cli\u003e+8 dBu to +28 dBu input sensitivity range (at 0 dBFS)\u003c\/li\u003e\r\n\u003cli\u003eBenchmark’s 9-segment dual-range digital LED meters with ‘peak-hold’\u003c\/li\u003e\r\n\u003cli\u003eConversion at standard sample-rates (44.1, 48, 88.2, 96, 176.4, and 192 kHz) and will also lock to non-standard rates (anything between 28 kHz and 200 kHz)\u003c\/li\u003e\r\n\u003cli\u003eMultifunction clock input with autorecognition of AES, SPDIF, Word Clock, or Super Clock\u003c\/li\u003e\r\n\u003cli\u003eWord clock output\u003c\/li\u003e\r\n\u003cli\u003eTotal jitter-immunity with Benchmark’s, phase-accurate UltraLockDDS™ technology\u003c\/li\u003e\r\n\u003cli\u003eFour sets of digital outputs (Balanced AES, coax, optical, Firewire [optional])\u003c\/li\u003e\r\n\u003cli\u003eIndependently controlled sourcing (A\/D or DAW) for each set of digital outputs\u003c\/li\u003e\r\n\u003cli\u003eAES\/EBU, ADAT, and ADAT S\/MUX2, and ADAT S\/MUX4 optical output formats\u003c\/li\u003e\r\n\u003cli\u003eTHD+N = -104 dB, 0.00063% @ -3 dBFS input, SNR 121 dB A-weighted\u003c\/li\u003e\r\n\u003cli\u003eReliable and consistent performance under all operating conditions\u003c\/li\u003e\r\n\u003cli\u003eInternal 90-264 VAC, 47-63 Hz international power supply with very wide operating range\u003c\/li\u003e\r\n\u003cli\u003eMeets FCC Class B and CE emissions requirements \u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eThe ADC16 delivers the industry’s ‘Benchmark’ for performance in a package that is simultaneously full-featured, functionally flexible, intuitive, aesthetically alluring, and surprisingly affordable.\u003cbr\u003e \u003cbr style=\"font-weight: bold;\"\u003e \u003cspan style=\"font-weight: bold;\"\u003eFlexibility across DAW's\u003c\/span\u003e\u003cbr\u003e The ADC16 has a slot for an optional Firewire card. With a Firewire connection to the computer, the ADC16 can operate as the sole interface to native DAW’s, including Pro Tools 9, without the need for any other hardware.  Moreover, The ADC16 is completely compatible with the digital I\/O interfaces of the Avid\/Digidesign interfaces and other interfaces with AES, coaxial, and\/or optical inputs.\u003cbr\u003e \u003cbr\u003e The ADAT mode of the optical outputs makes the ADC16 a perfect companion for older Pro Tools LE interfaces, as well as other digital interfaces with ADAT and coaxial inputs, as it can fulfill the entire digital-input capability of the interface with state-of-the-art A\/D performance.\u003cbr\u003e \u003cbr\u003e This type of flexibility means the ADC16 can work perfectly with DAW setups from the past and the future.\u003cbr\u003e \u003cbr style=\"font-weight: bold;\"\u003e \u003cspan style=\"font-weight: bold;\"\u003eFlexibility at the I\/O ports\u003c\/span\u003e\u003cbr\u003e The ADC16 features 16-channels of transformerless balanced analog inputs.  The analog front-end continues Benchmark’s tradition of exceptionally pristine, award-winning analog circuitry – a 27 year legacy.\u003cbr\u003e \u003cbr\u003e Each channel of analog input has a gain control (via a trim-pot) that has a 20 dB range.  At 0 dB of gain, it can accept 28 dBu at the input without clipping. At max-gain, an 8 dB input-signal will drive the converters to full-scale.\u003cbr\u003e \u003cbr\u003e The ADC16 features very flexible I\/O routing solutions.  The control panel allows the user to dictate the source (A\/D or DAW) for each of the AES, coaxial, and optical digital outputs.  This is very useful when the ADC16 is used in a studio with an analog console.  The digital audio from the A\/D chips can be sent directly to the digital outputs to a multichannel D\/A to feed the console – completely bypassing the DAW.  This reduces latency and DAW artifacts in real-time monitoring.\u003cbr\u003e \u003cbr\u003e The eight optical outputs on the ADC16 can be operated in SPDIF or ADAT mode at sample-rates up to 192 kHz (ADAT has SMUX2 and SMUX4 functionality).\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003eUltraLock DDS™ - Jitter-immunity without a catch\u003c\/span\u003e\u003cbr\u003e The performance of the ADC16 never varies – another core philosophy of Benchmark products.\u003cbr\u003e \u003cbr\u003e Benchmark’s new UltraLockDDS™ clock system utilizes the latest low-jitter clock technology developed for high-frequency RF communications systems.  The master oscillator is a low phase-noise, temperature-compensated, fixed-frequency crystal oscillator with a +\/- 2 PPM frequency accuracy.  This oscillator drives a 500 MHz Direct Digital Synthesis (DDS) system that generates a 3072 x WC system clock.  This high-frequency clock is divided by 6 and distributed directly to the A\/D converters using a high-speed PECL clock distribution chip.  Each of the eight converters are driven directly from a dedicated, matched-impedance transmission line.\u003cbr\u003e \u003cbr\u003e Jitter attenuation is achieved with digital filters in a custom FPGA that controls the DDS system.  All jitter-induced distortion artifacts are well below audibility under all operating conditions. Jitter-induced distortion is always at least 135 dB below the level of the music.  The jitter-performance of UltralLockDDS™ meets or exceeds the performance of Benchmark’s UltraLock™ system, but does not use asynchronous sample rate conversion (ASRC).  The elimination of the ASRC processing significantly reduces system latency and provides the most direct path from the A\/D to the digital interface.\u003cbr\u003e \u003cbr style=\"font-weight: bold;\"\u003e \u003cspan style=\"font-weight: bold;\"\u003eFlexibility at the Core\u003c\/span\u003e\u003cbr\u003e Benchmark’s UltraLockDDS™ system is frequency agile. It can lock to any sample rate between 28 kHz and 200 kHz, and it can do so in a few milliseconds. Special pull-up and pull-down sample rates for film to video transfers are no problem.  Best of all, jitter is always attenuated to levels that are well below audibility. Jitter performance is identical in all modes of operation.\u003cbr\u003e \u003cbr\u003e \u003cspan style=\"font-weight: bold;\"\u003ePrecise, detailed metering\u003c\/span\u003e\u003cbr\u003e The ADC16 features nine-segment meters for each channel.  These meters are single-sample accurate, so that even the shortest peaks are registered.  The meters can be set to display in 6 dB increments (48 dB range) or 1 dB increments (20 dB range).  In both cases, the meters can be put in ‘peak-hold’ mode, which will hold the highest-valued sample until the ‘peak-hold’ mode is reset.\u003c\/p\u003e","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449349828711,"sku":"16978","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_adc_16_1.jpg?v=1787088657"},{"product_id":"benchmark-dac1-usb-black-rackmount-demo-deal","title":"Benchmark DAC1 USB Black Rackmount (Demo Deal)","description":"The \u003cspan style=\"font-weight: bold;\"\u003eBenchmark DAC1 USB\u003c\/span\u003e (USB DAC)\n is a reference-quality, two-channel 96 kHz 24-bit digital-to-analog \naudio converter featuring Benchmark's Advanced USB Audio™ technology, \nUltraLock™ clock system, and HPA2™ headphone amplifier.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEngage the Music with the DAC1 and DAC1\n USB\u003c\/span\u003e\u003cbr\u003e\nThe DAC1 USB is a mastering-quality, two-channel 96 kHz 24-bit \ndigital-to-analog audio converter. For more then 10 years, engineers and\n audiophiles have come to rely on Benchmark for critical digital audio \nconversion. They consistently find themselves engaged in the music in a \nway that is rarely achieved with digital converters.\u003cbr\u003e\n\u003cbr\u003e\nBenchmark has achieved unprecedented sonic purity in their converters \nthrough intelligent engineering, eliminating digital distortion \nartifacts, and maintaining a pristine analog delivery path. The DAC1 USB\n continues this tradition of excellence.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePreserving the Classic DAC1 Heritage\u003c\/span\u003e\u003cbr\u003e\nThe pristine audio path of the award-winning Classic DAC1 has made it \nthe 'Benchmark' of standalone D-to-A converters. The DAC1 USB preserves \nthe exact topology of the audio path of the Classic DAC1, while adding \nsome of the most frequently requested features.\u003cbr\u003e\n\u003cbr\u003e\nThe DAC1 and DAC1 USB both include Benchmark's jitter-immune UltraLock™ \nclock system and Benchmark's 0-ohm HPA2™ headphone amplifier. The DAC1 \nUSB features Benchmarks AdvancedUSB technology to ensure \nbit-transparent, high-resolution playback directly from your computer. \nThe DAC1 USB also includes a programmable mute function that \nautomatically mutes the main outputs upon insertion of a headphone plug.\n Other features that are exclusive to the DAC1 USB include a \nprogrammable headphone gain range, an automatic 'Standby' feature, and a\n high-current output stage designed to drive even the most difficult \nloads.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eJitter-Immune UltraLock™\u003c\/span\u003e\u003cbr\u003e\nDigital interconnect cables, electro-magnetic interference, and many \nother variables introduce jitter into the digital audio. Jitter presents\n a major problem to most D-to-A converters. Jitter is a type of clock \nerror that, if not properly addressed, can cause the D-to-A to misfire. \nThe result of these misfires is a non-musical, digital distortion.\u003cbr\u003e\n\u003cbr\u003e\nMany modern (and expensive) converters suffer from severe jitter-induced\n distortion. Jitter is NOT a problem for the DAC1 and DAC1 USB, which \nachieve jitter immunity by utilizing the proprietary UltraLock™ \nclock-recovery system.\u003cbr\u003e\n\u003cbr\u003e\nWith the UltraLock™ clock-recovery system, the digital-to-analog \nconversion-clock in the DAC1 and DAC1 USB is totally isolated from the \nclock of the digital audio input. This clock-recovery topology \noutperforms even the most well-designed two-stage PLL designs. Using \nstate-of-the-art Audio Precision testing equipment, no jitter-induced \nartifacts can be detected with the DAC1 or the DAC1 USB. Any signal that\n can be decoded by the USB or AES\/EBU receivers will be reproduced \nwithout the addition of any measurable jitter artifacts. The bottom line\n is this: Benchmark converters will consistently and faithfully deliver \ntruthful audio with no jitter-induced artifacts, no matter what \nvariables are present.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eAdvancedUSB Audio Technology\u003c\/span\u003e\u003cbr\u003e\nThe USB interface of the DAC1 USB features Benchmark's unique \nAdvancedUSB technology. This USB interface is completely \nbit-transparent. In other words, every sample of digital audio is \ntransferred from the computer to the DAC1 USB without modification. The \nDAC1 USB is natively compatible with Windows 7\/Vista\/XP\/2000 and Mac OS \nX. As a native device, there are no drivers or other invasive software \nrequired to install or configure. The DAC1 USB is a true plug-and-play \nDAC USB, and is designed to begin playback immediately after the unit is\n connected to a USB port for the first time.\u003cbr\u003e\n\u003cbr\u003e\nUnlike previous native USB audio interfaces, Benchmark's AdvancedUSB \nAudio technology supports 24-bit audio at sample-rates up to 96 kHz. It \nis very important to have a 24-bit USB path, even for 16-bit playback, \nbecause certain computer-related functions can increase 16-bit audio to \n24 bits. If a 16-bit USB DAC is used, 8 bits of every digital audio \nsample would be truncated. Truncating digital audio causes severe, \nnon-musical digital distortion. Benchmark's AdvancedUSB interface \nensures a full 24-bit digital audio path to avoid truncation distortion.\u003cbr\u003e\n\u003cbr style=\"font-weight: bold;\"\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eHPA2™ Headphone Amplifier\u003c\/span\u003e\u003cbr\u003e\nThe DAC1 and DAC1 USB feature the HPA2™ - Benchmark's signature \nhigh-current, 0-Ohm headphone amplifier. The HPA2™ is arguably the \nultimate reference headphone amplifier. It will deliver the full rated \nperformance of the DAC1 and DAC1 USB to the headphones. The HPA2™ \nmaintains less than 0.0003% THD+N under full load. The DAC1 and the DAC1\n USB both have two 1\/4\" headphone jacks on the front panel. The \nperformance of the HPA2™ remains consistent even when two headphones are\n being driven simultaneously.","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449361297511,"sku":"16325","price":1050.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_dac1_usb_rackmount_1_1.jpg?v=1787088707"},{"product_id":"benchmark-mpa1-demo-deal","title":"Benchmark MPA1 (Demo Deal)","description":"The \u003cspan style=\"font-weight: bold;\"\u003eBenchmark MPA1\u003c\/span\u003e is a 2-channel microphone preamplifier designed and manufactured by Benchmark Media Systems, Inc. The MPA1 is meticulously designed to Benchmark standards of transparency, ultra-low distortion, and ultra-low noise performance - making the MPA1 a perfect choice for stereo pairs, ribbon mics, and any other application where purity is the goal.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003ePristine Input Stage\u003c\/span\u003e\u003cbr\u003eThe input stage of the MPA1 is designed with high-voltage headroom (+29 dBu) and single-stage gain control to maximize signal-to-noise ratio. The MPA1 maintains superb noise performance across the entire gain range (74 dB) by utilizing precision-matched, low-noise, transistor quad-arrays. A servo-controlled circuit minimizes DC-offset and maximizes headroom.\u003cbr\u003eComplete Low Frequency Response\u003cbr\u003e\u003cbr\u003eThe MPA1 exhibits exceptional low-frequency performance with a clever dual-capacitor AC-coupling design. This dual-capacitor design defeats the limitations of single-capacitor AC-coupling designs, achieving an exceptionally low corner-frequency with excellent subsonic phase-accuracy.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eInnovative Stepped-Resistor Gain Control\u003c\/span\u003e\u003cbr\u003eThe gain control of the MPA1 is completely unique. The gain is controlled via a 38-position, switched resistor ladder, set up in a continuously rotating orientation via relay control. This gain control circuit offers 2 dB per step, 0-74 dB of gain without attenuation, and inter-channel gain precision of +\/- 0.03 dB. A make-beforebreak scheme creates a silent switching circuit.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eElegant Phantom Power Protection\u003c\/span\u003e\u003cbr\u003eThe transistor stage is protected from phantom power surges with an ultra-fast, multi-stage protection circuit. This circuit utilizes the high-speed capabilities of low-capacitance Schotky diodes and the high-current capabilities of TVS diodes to absorb the phantom power surges caused by shorts and plugging\/unplugging microphones with +48V on. This circuit is pre-biased so that it is isolated from the circuit in normal operation and activated when a surge occurs.","brand":"Benchmark","offers":[{"title":"Default Title","offer_id":44449361330279,"sku":"16332","price":2915.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/benchmark_mpa1_1_1.jpg?v=1787088707"},{"product_id":"benchmark-dac1-pre-used","title":"Benchmark DAC1 Pre (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eBenchmark DAC1 Pre\u003c\/strong\u003e features 5 digital inputs and two relay-selected analog inputs.\u003c\/p\u003e\r\n\r\n\u003cp\u003eBenchmark's award-winning DAC1 has become a standard in the finest recording studios and mastering rooms.  Audio engineers rely of the accurate, uncolored, and precise sound of Benchmark DAC1 converters. The DAC1 is free from digital artifacts and its sound has a true analog character that eliminates the fatigue caused by many digital devices. All DAC1 converters are designed for professional applications, but many audiophiles have discovered the smooth and detailed sound of the DAC1. 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