{"title":"CharterOak","description":null,"products":[{"product_id":"charteroak-scl-1-compressor-used","title":"CharterOak SCL-1 Compressor (Used)","description":"The Award Nominated, \u003cspan style=\"font-weight: bold;\"\u003eCharterOak SCL-1\u003c\/span\u003e  Discrete Compressor Limiter will provide a constant output level  regardless of input level or frequency, without the familiar pumping and  gasping effect that is inherent in most compressors and limiters.\u003cbr\u003e\u003cbr\u003eThis  can be attributed to the design of the circuit, which combines the  features of waveform differentiation and integration. This allows for  fast attack times without overcompensation and a release characteristic  that is a function of dynamic range and average program level.\u003cbr\u003e\u003cbr\u003eThe  device achieves this by employing a rectifier circuit that possesses a  parabolic average charge curve. The end result of the circuit is a quick  release that releases to a continually changing average level, which is  determined by the parabolic charge curve of the storage capacitors.\u003cbr\u003e\u003cbr\u003eThe  CharterOak SCL-1 circuit design is straight forward, and employs NO  MAGIC BLACK BOXES OR OTHER WALLET SHRINKING COMPONENTS. All of the  components used in the design of the CharterOak SCL-1 are readily  available items and are employed in a manner so as to provide plenty of  headroom for years of reliable operation.\u003cbr\u003e\u003cbr\u003eThe CharterOak SCL-1 is  designed to fit any standard 19\" rack. The unit may be used as a stereo  unit, or as two independent limiters in the dual mode. This feature  enables the end user to employ the device in one or two track production  applications.\u003cbr\u003e\u003cbr\u003eDo not be afraid to drive the limiter, even with classical music formats. It WILL NOT pump or gasp.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications\u003c\/span\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFrequency Response     20Hz-22kHz\u003c\/li\u003e\n\u003cli\u003eHarmonic Distortion     Less then 1% with 20dB of gain reduction @ +20dBm output.\u003c\/li\u003e\n\u003cli\u003eMaximum Output     +22 dBm\u003c\/li\u003e\n\u003cli\u003eSignal to Noise Ration     -85dB referenced to +10dBm\u003c\/li\u003e\n\u003cli\u003eAttack Time     Adjustable from 100us to 5ms\u003c\/li\u003e\n\u003cli\u003eHold Time     Less than 2ms. Unit provides a soft clip. (Less than 3% total harmonic distortion @ 3dB clip)\u003c\/li\u003e\n\u003cli\u003eRelease Time     Adjustable from 20ms to 2 seconds\u003c\/li\u003e\n\u003cli\u003eCross Talk     -90dB\u003c\/li\u003e\n\u003cli\u003eInput Impedance     600 Ohms balanced\u003c\/li\u003e\n\u003cli\u003eOutput Impedance     600 Ohms balanced\u003c\/li\u003e\n\u003cli\u003eSync Tracking     Control circuits are matched to within less than .25dB over the entire gain reduction range\u003c\/li\u003e\n\u003cli\u003ePower Requirements     117VAC or 230 VAC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CharterOak","offers":[{"title":"Default Title","offer_id":44449493254247,"sku":"17785","price":1850.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_charteroak_scl-1_compressor_front_32704a58-06d2-4199-854a-81d9e6a874bb.jpg?v=1787089185"},{"product_id":"charteroak-peq-1-equalizer-used","title":"CharterOak PEQ-1 Equalizer (Used)","description":"\u003cp\u003eThe \u003cstrong\u003eCharterOak PEQ-1\u003c\/strong\u003e is an active equalizer that employs the very best operational amplifiers, capacitors, resistors, input transformers, and output transformers that are available today. The design of the PEQ-1 is very intuitive, as the carefully chosen switchable center frequency points and overlapping bands are perfectly suited for music production. The equalizer is extremely clean and free of distortion, which allows for large amounts of boost in the upper frequencies without any harshness. The equalizer also boasts extremely tight and focused bass response and perfect stereo imaging all of which make it an excellent choice across the mix buss or in a mastering environment.\u003cbr\u003e\u003cbr\u003eThe PEQ1 is a switchable 16-band program equalizer with center frequencies ranging from 20 Hz to 50 kHz that is intended for use as a finishing tool on the mix bus or in mastering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency Response: 20Hz-20kHz w\/in 0.4dB -3dB down at 60 kHz\u003c\/li\u003e\n\u003cli\u003eTotal Harmonic Distortion: 0.01% below +21dBu\u003c\/li\u003e\n\u003cli\u003eCross Talk: below noise level\u003c\/li\u003e\n\u003cli\u003eSignal to Noise: -85dB referenced to +4dBu\u003c\/li\u003e\n\u003cli\u003eMaximum Output: +23dBu\u003c\/li\u003e\n\u003cli\u003eInput Impedance: 600 Ohms (transformer balanced)\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 600 Ohms (transformer balanced)\u003c\/li\u003e\n\u003cli\u003eDimensions: Standard 2RU \/ Length 19\" Height 3.5\"\u003c\/li\u003e\n\u003cli\u003ePower Requirements: 110-115VAC\/220-230VAC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CharterOak","offers":[{"title":"Default Title","offer_id":44449494171751,"sku":"30078","price":1995.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_charteroak_peq-1_front_336dad1d-9df9-46ac-9ae8-751e33b0c7ea.jpg?v=1787089191"},{"product_id":"charteroak-sa538b-used","title":"CharterOak SA538B (Used)","description":"\u003cp\u003eExcellent example of this mic set. comes with PSU, mic cable, shock mount and flight case. \u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cspan style=\"font-weight: bold;\"\u003eSA538B \u003c\/span\u003eis a condenser  microphone that employs two large, ultra-thin, side terminated gold  diaphragms and a vacuum tube head amplifier using a selected low noise  tube, and output transformer. As a result, the model SA538B has very low  inherent noise and broad dynamic range. Its timbre is distinctive. Its  rich and balanced sound makes it an ideal choice to ensure extremely  high quality sound reproduction.\u003cbr\u003e\u003cbr\u003eThe high standard of quality and  affordability of the CharterOak SA538B have been achieved through an  extended period of research and development, including beta testing by a  wide variety of end users.\u003cbr\u003e\u003cbr\u003eThe parts of the CharterOak SA538B are machined from solid brass and high quality electronic components are used throughout.\u003cbr\u003e\u003cbr\u003eThe  process of creating a CharterOak SA538B Condenser Microphone is started  by hand under the strict supervision of CharterOak personnel. Under  that supervision the parts are quality checked and assembled at our  facility in Connecticut.\u003cbr\u003e\u003cbr\u003eThe microphones are finished and the  parts are quality checked a second time by experienced engineers. The  process involves a seven (7) day burn in of the vacuum tube and no less  than _ hour spent with each microphone in a studio environment. Careful  listening tests employ high quality microphone preamplifiers and high  resolution monitoring systems. Quality checks on every component of each  kit complete the process.\u003cbr\u003e\u003cbr\u003eIt is only after this exhaustive  finishing and quality control process is complete, that an SA538B will  be cleared for sale to the customer.\u003cbr\u003e\u003cbr\u003eFrom the research and  development to the delivery of every SA538B, it is this attention to  detail that makes the SA538B truly unique in its class.\u003c\/p\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications\u003c\/span\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eAcoustical Operating Principle:    Pressure Gradient\u003c\/li\u003e\n\u003cli\u003eDiaphragm:    Dual 1.07\" 6 micron thick gold sputtered Mylar\u003c\/li\u003e\n\u003cli\u003eFrequency Response:    25Hz-20kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity:    12mV\/Pa 0dB=1V\/Pa@1kHz\u003c\/li\u003e\n\u003cli\u003ePolar Pattern:    Cardioid, Omni, Figure-8, and intermediate stages selectable from power supply\u003c\/li\u003e\n\u003cli\u003eImpedance:    \u0026lt; 200 Ohms\u003c\/li\u003e\n\u003cli\u003eRecommended Load:    \u0026gt; 200 Ohms\u003c\/li\u003e\n\u003cli\u003eEquivalent Input Noise:    20dB A weighted IEC651\u003c\/li\u003e\n\u003cli\u003eMaximum Sound Pressure Level:    125dB for 0.5% total harmonic distortion @ 1kHz\u003c\/li\u003e\n\u003cli\u003ePower Requirements:    Custom supply 115V or 230V operation with IEC type 2 AC Cable\u003c\/li\u003e\n\u003cli\u003eConnection between Mic \u0026amp; Power Supply:    7 pin XLR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CharterOak","offers":[{"title":"Default Title","offer_id":44449494532199,"sku":"17811","price":495.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_charteroak_sa538b_set_5ed378a6-9730-4742-addf-c6d78d8d7ec6.jpg?v=1787089195"},{"product_id":"charteroak-scl-1-stereo-compressorlimiter-0151-used","title":"CharterOak SCL-1 Stereo Compressor\/Limiter #0151 (Used)","description":"The Award Nominated, \u003cstrong\u003eCharterOak SCL-1\u003c\/strong\u003e Discrete Compressor Limiter will provide a constant output level regardless of input level or frequency, without the familiar pumping and gasping effect that is inherent in most compressors and limiters.\u003cbr\u003eThis can be attributed to the design of the circuit, which combines the features of waveform differentiation and integration. This allows for fast attack times without overcompensation and a release characteristic that is a function of dynamic range and average program level.\u003cbr\u003eThe device achieves this by employing a rectifier circuit that possesses a parabolic average charge curve. The end result of the circuit is a quick release that releases to a continually changing average level, which is determined by the parabolic charge curve of the storage capacitors.\u003cbr\u003eThe CharterOak SCL-1 circuit design is straight forward, and employs NO MAGIC BLACK BOXES OR OTHER WALLET SHRINKING COMPONENTS. All of the components used in the design of the CharterOak SCL-1 are readily available items and are employed in a manner so as to provide plenty of headroom for years of reliable operation.\u003cbr\u003eThe CharterOak SCL-1 is designed to fit any standard 19\" rack. The unit may be used as a stereo unit, or as two independent limiters in the dual mode. This feature enables the end user to employ the device in one or two track production applications.\u003cbr\u003eDo not be afraid to drive the limiter, even with classical music formats. It WILL NOT pump or gasp.\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFrequency Response 20Hz-22kHz\u003c\/li\u003e\n\u003cli\u003eHarmonic Distortion Less then 1% with 20dB of gain reduction @ +20dBm output.\u003c\/li\u003e\n\u003cli\u003eMaximum Output +22 dBm\u003c\/li\u003e\n\u003cli\u003eSignal to Noise Ration -85dB referenced to +10dBm\u003c\/li\u003e\n\u003cli\u003eAttack Time Adjustable from 100us to 5ms\u003c\/li\u003e\n\u003cli\u003eHold Time Less than 2ms. Unit provides a soft clip. (Less than 3% total harmonic distortion @ 3dB clip)\u003c\/li\u003e\n\u003cli\u003eRelease Time Adjustable from 20ms to 2 seconds\u003c\/li\u003e\n\u003cli\u003eCross Talk -90dB\u003c\/li\u003e\n\u003cli\u003eInput Impedance 600 Ohms balanced\u003c\/li\u003e\n\u003cli\u003eOutput Impedance 600 Ohms balanced\u003c\/li\u003e\n\u003cli\u003eSync Tracking Control circuits are matched to within less than .25dB over the entire gain reduction range\u003c\/li\u003e\n\u003cli\u003ePower requirements 117VAC or 230 VAC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CharterOak","offers":[{"title":"Default Title","offer_id":44450033500263,"sku":"63693","price":1850.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/charteroak-scl-1-stereo-compressorlimiter-0151-used-6795165_0d1f92c5-6e6d-464a-ac84-9798d56a7c59.jpg?v=1787091411"},{"product_id":"charteroak-scl-1-stereo-compressor-limiter-294-used","title":"CharterOak SCL-1 Stereo Compressor\/Limiter #294 (Used)","description":"The Award Nominated, \u003cstrong\u003eCharterOak SCL-1\u003c\/strong\u003e Discrete Compressor Limiter will provide a constant output level regardless of input level or frequency, without the familiar pumping and gasping effect that is inherent in most compressors and limiters.\u003cbr\u003eThis can be attributed to the design of the circuit, which combines the features of waveform differentiation and integration. This allows for fast attack times without overcompensation and a release characteristic that is a function of dynamic range and average program level.\u003cbr\u003eThe device achieves this by employing a rectifier circuit that possesses a parabolic average charge curve. The end result of the circuit is a quick release that releases to a continually changing average level, which is determined by the parabolic charge curve of the storage capacitors.\u003cbr\u003eThe CharterOak SCL-1 circuit design is straight forward, and employs NO MAGIC BLACK BOXES OR OTHER WALLET SHRINKING COMPONENTS. All of the components used in the design of the CharterOak SCL-1 are readily available items and are employed in a manner so as to provide plenty of headroom for years of reliable operation.\u003cbr\u003eThe CharterOak SCL-1 is designed to fit any standard 19\" rack. The unit may be used as a stereo unit, or as two independent limiters in the dual mode. This feature enables the end user to employ the device in one or two track production applications.\u003cbr\u003eDo not be afraid to drive the limiter, even with classical music formats. It WILL NOT pump or gasp.\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFrequency Response 20Hz-22kHz\u003c\/li\u003e\n\u003cli\u003eHarmonic Distortion Less then 1% with 20dB of gain reduction @ +20dBm output.\u003c\/li\u003e\n\u003cli\u003eMaximum Output +22 dBm\u003c\/li\u003e\n\u003cli\u003eSignal to Noise Ration -85dB referenced to +10dBm\u003c\/li\u003e\n\u003cli\u003eAttack Time Adjustable from 100us to 5ms\u003c\/li\u003e\n\u003cli\u003eHold Time Less than 2ms. Unit provides a soft clip. (Less than 3% total harmonic distortion @ 3dB clip)\u003c\/li\u003e\n\u003cli\u003eRelease Time Adjustable from 20ms to 2 seconds\u003c\/li\u003e\n\u003cli\u003eCross Talk -90dB\u003c\/li\u003e\n\u003cli\u003eInput Impedance 600 Ohms balanced\u003c\/li\u003e\n\u003cli\u003eOutput Impedance 600 Ohms balanced\u003c\/li\u003e\n\u003cli\u003eSync Tracking Control circuits are matched to within less than .25dB over the entire gain reduction range\u003c\/li\u003e\n\u003cli\u003ePower requirements 117VAC or 230 VAC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CharterOak","offers":[{"title":"Default Title","offer_id":44450313175143,"sku":"104363","price":1850.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/charteroak-scl-1-stereo-compressor-limiter-294-used_104363_1_67488a48-7e1c-4f11-8d48-10bc8e224a72.jpg?v=1787092550"}],"url":"https:\/\/vintageking1.myshopify.com\/collections\/charteroak.oembed","provider":"VINTAGE KING AUDIO","version":"1.0","type":"link"}