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Processors

Tuesday, September 16th, 2014  
Search For:     Site   Products   Services   Educational  
ProcessorsClick on Sale Price to inquire about item 
ID #ModelDescriptionSale
407833BX remoteAdd on remote for older version 3bx adds release of expansion, and fade of volume down 20 foor cable like new in box. If you are having trouble finding parts enter the name into search bar SOLD
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18609ACT 8 channelBalancing 8 channel bay, active op-amp, -10 to +14 dBm, phone to XLR, front panel clip lights, very quiet, well-built, ruggedly constructed$ 130
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17208ADA MP1Guitar Preamp, input replaced with rugged jack and level control, Unit is Rev 5 low noise modified tube/solid st. RFI modified ground mods tube front end modified to be truly warmer and thicker overdrive and solidstate circuits have been more evenly matched. Slightly worn cosmetics, input replaced with rugged jack and level control.

On my website is a clear explanation about ADA MP1 and mods. Without a doubt the 3 tube mod is a waste of time and money and actually will make the ADA MP1 run incorrectly. This unit operates on the principal that the FETs control the tube voltage and carefully inject distortions into the cathode of the tube and also, the programming on the front panel changes plate voltages to tubes! A remarkably clever design! Obviously, the people who offer this 3 tube mod and double transformer mod don't understand this circuit or its operations technology and they are misleading concerned players.

The modification that I do actually lessens the tube gain, lowers the noise floor, and adds equalization that is better for today's vintage sound. Players want more versatility in programming usual guitar overdrive effects. The original design is way too screechy metal in its overdriven character for too many programs. My alteration allows a wider range of programming to go from the metal to warm, driven to crank, to a bluesy overdrive whereby the overdrive and equalization controls are calibrated more in the middle range of its programming numbers; i.e. Number 5 on the overdrive is now a nicely driven sound rather than a badly overdriven sound but the ADA MP1 will be still be able to be heavily overdriven on an 8 or 9 setting. These modifications were acceptable to the ADA engineer at the time. In fact, he commented that the electro acoustic sound with my parts change was similar to his thinking too, in that it allows for more flexibility for front panel adjustment for even more guitar tube preamping effects.

I've done this mod for 25 years!! No complaints yet. Please call me directly for more info.
$ 480
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42090ADA MP1Tube Guitar Preamp. Version 2.00. This unit is in brand new condition in box, with manual. Mods are available, call for details. $ 480
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16051ADA MP1 ClassicProgrammable guitar pre As new in box/packing/manual, unit barely used at all, excellent cosmetic and mechanical condition.SOLD
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40272ADA MP1 Tube Preamp (Rev 6)#8+ Condition, Excellent Audio, No rack Scratches, New Front Jack, Tube EQ Mod, Battery LED Mod, Battery Supply Mod, Audio Circuit Low Noise, 5534 op amp mod, upgrade k246 FET, super low noise mod. very rugged front panel jack, jack only works as guitar input, #8 condition, excellent audio, no rack scratches$ 540
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40484ADA MP2Midi Tube guitar Preamp, update noise gate/effects loop, good cosmetic condition (minor chassis scratches on top), excellent mechanical, virtually no running time (#8 overall condition), Update - noise gate, later power supply version. Stereo effects, tremelo, chorus. XLR out.SOLD
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14220ADA PitchTraqProgrammable pitch transposer, 1 rack mount space, good cosmetics, fully programmable touch button pitch transposer with 16 (4x4) memory banks, matte surface membrane panel, rear I/O and special functions, 1/4" phone jacksSOLD
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11581ADC VSS-2Video processor/router, has I/O for 3 VCRs, does Audio/Video fades, full functional check OK, cleaned and QC'd.$ 175
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48664Amek System 9098High performance, solid state design, single channel, one rack space unit. Microphone preamp and equalizer can be used independently. All connections are balanced XLR. Excellent #9+ mint condition, includes manual, original box & packing.SOLD
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43336Antares ATR-1 Auto TuneMint condition unit with low hours of use. Front Panel Features: Screen, big dial, cursor L+R, programs, page, system, + bypass. Rear Panel Features: Balanced XLR + 1/4" ins, Midi in. Balanced XLR, unbalanced 1/4" outs, footswitch 1/4", ground selector (circuit board + chassis). Comes with owner's manual. Very nice performing machine!SOLD
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42392Antares ATR-1aAutotune Processor. Jog dial, LCD display. #9 condition, with manual. Very popular model with studios.SOLD
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27744Apex compellor model 301Excellent front panel cosmetics!! manual included. Meter selection- input/output, gain reduction/program, input gain, process balance,output gain, silence gate threshold, bypass. XLR in/out, 1/4" leveling tie input. Mono only unit!!! full rack space. $ 150
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14989Aphex 103A Aural Exciter Type CDifferent version than most Type C, Has much better drive circuit and 5534 opamp circuits! Nicer sounding and more sophisticated entrance circuitry quieter operation, wider range on frequency tuner.$ 180
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26497Aphex 1064 channel compressor, GAIN RANGING COMPRESSORSOLD
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45088Aphex Aural Exciter Type BTwo channels, with Drive, Tone, Mix controls. 1/4" in/out, 0 or -10dB selectable. Very good #8+ condition.$ 88
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14226Aphex Aural Exciter Type B Model 1021 rack space, 2 channel drive/tune/mix controls, 1/4" phone jacks for rear I/O$ 220
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8318Aphex Aural Exciter Type C1 rack space, drive/tune/mix controls, 1/4" phone jacks for rear I/O.$ 90
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53179Aphex Aural Exciter Type COriginal. #9 condition, ruggedized inputs and outputs solder points.$ 66
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50891Aphex Aural Exciter Type CStereo processor. Adjustable drive, tune, and mix. RCA and phone in/out. Excellent condition with very minor rack wear.$ 68
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17882Aphex Aural Exciter Type EWith manual, Hi-Z input 1/4" phone, Drive/Tune/Mix controls, 1/4" phone I/O, footswitchSOLD
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42833Aphex CompellorAHX5002 (aka model Ax, Model 300). Completely tested and cleaned. Low use hours. Multi-band dynamic enhancement compressor. The best! #9 condition.SOLD
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23985Aphex Nova Systems VersionSmall half space rack unit. Modified by AudioPro- now with a lower noise power supply and a more subtle and musical sounding second order harmonic distortion circuit. Very nice for giving a "tube edge" to analog sound. Unit does second harmonic distortion, adding harmonies to presence frequencies. RCA ins/outs. Can do semi-pro +4dB.$ 180
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42830Aphex Type CDual channel 2nd harmonic enhancement device. Tone/mix controls. Phone/RCA i/o. All cleaned and serviced, #8 condition with minor scratches on top cover. Low use time.$ 98
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28091ART DRX digital multi fxsingle space rack unit, excelent shape. stereo in/out. 2 second sampler and multi effect. Excellent shape. $ 200.00
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Local customers please do not come to the shop without calling ahead first (617)926-8020 for an appointment so we can efficiently help you with your equipment or sound recording needs.
42484ART PRO VLA II2 channel tube vactrol compressor. NEW STOCK, fully QC'd and checked. SN W080201334SOLD
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31554ART X-15 Ultrafoot ControllerNew in boxSOLD
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28088Ashley SG33Single rack space dual channel noise reduction, can do auto fade, cleaned calibrated, minor bend on faceplate and rack rash at mounting holes, otherwise good cosmetic, good knobs, excellent mechanical condition.$ 260
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39334Audio control C101- seriesIII realtime analyzer/equalizerBeautiful fast slow LED spectrum display, with sharp octave filter (does very good display dynamics) Highest quality construction!! Orange light LED display, comes with original calibration mic, mint condition, box, packing.SOLD
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20667Audiologic 4404 channel gate, (Threshold, Attack, Attenuation, Depth, Release) 4 channel phone RTS, Key In, excellent gate!SOLD
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28475AudioSource SS-1 series 2 surround sound processorunit in excellent cosmetic condition. features rca i/o line i/o, tape i/o complelty cleaned serviced and calibrated by audio pro$ 120
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32899Avalon VT-737SPNew, Single channel esoteric tube processor, compressor,mic preamp, semi-parametric EQ.SOLD
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13622Azden AVS-20Audio/Video router selector, 4 video in, 2 Svideo in, passive switcher and dubber, Mic input mixing. Excellent unit with virtually no channel crosstalk leakage!$ 95
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47875BBE 402 Sonic MaximizerAudio enhancement processor for improvement of low and high frequency dynamics and detail. Pro and consumer version with phone and RCA ins/outs. Nice, subtle audiophile effect considered better than the newer version (Vince agrees!). Very good #8+ condition with some minor scratches on top and rack ears. Completely cleaned, serviced, calibrated, tested. 1 rack size.$ 168
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45016Behringer Bass V-AmpNew stock.$ 108
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43996Behringer Bass V-Amp ProRackmount bass preamp processor.$ 170
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44212Behringer Bass V-Amp Pro2 space rack design. 32 amp models, 23 cabinet models, 16 effects (analog and digital). 1/4" headphone out.$ 170
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42671Behringer DEQ 2496Eq, enhancer, analyzer. 24bit/96kHz digital audio, fully tested and new in the box.SOLD
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24993Behringer Dualfex II EX822Enhancement processor, 1 rack space, for home audio/pro mixes, improves fidelity and corrects, bass and treble frequency phase enhancements. New in box w/warranty$ 160
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53310Behringer Edison Spatial Image Correction Device. Hifi, pro. All mods grounds RFI LED, calibration. #9 condition, very minor scratches on top cover. Not For Sale
29339Behringer Edison EX1High-quality virtual stereo 3D processor. LED display for degree of correlation from 0į to 180į. XLR and 1/4 inch TRS connectors. Stereo Spread, LMF Spread, Balance, Center Distance and Output Gain controls. **Modified - contact us for details** Out of production. Read our Edison EX1 review in Educational section.V - contact us
44923Behringer EX-1000 Ultra BassAP Modified Rev 5 version! We add two custom switches to vastly expand the functionality of this piece and improve bass fidelity. (See here for more details.) This unit is in excellent #9 condition.$ 260
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45177Behringer EX1200 Ultra Bass ProAdd some bass to any mix! Adds subharmonic bass at user controlled range and dynamics. With built in limiter section and sub woofer out with built in high pass crossover. New stock.$ 120
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45179Behringer EX1200 Ultra Bass ProAdd some bass to any mix! Adds subharmonic bass at user controlled range and dynamics. With built in limiter section and sub woofer out with built in high pass crossover. New stock.$ 120
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45185Behringer EX1200 Ultra Bass ProAdd some bass to any mix! Adds subharmonic bass at user controlled range and dynamics. With built in limiter section and sub woofer out with built in high pass crossover. New stock.$ 120
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45184Behringer EX1200 Ultra Bass ProAdd some bass to any mix! With built in limiter and sub out. New stock.$ 120
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45183Behringer EX1200 Ultra Bass ProAdd some bass to any mix! Adds subharmonic bass at user controlled range and dynamics. With built in limiter section and sub woofer out with built in high pass crossover. New stock.$ 120
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45175Behringer EX1200 Ultra Bass ProAdd some bass to any mix! Adds subharmonic bass at user controlled range and dynamics. With built in limiter section and sub woofer out with built in high pass crossover. New stock.$ 120
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33841Behringer Feedback Destroyer Pro DSP1124PModel DSP1124P. Sn: L0213602124. QC - OK. New stock.$ 148
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26643Behringer MX662 UltralinkWith manual, 6 channel signal router, 6 in-2 out line mixer, 2 in-6 out line splitter, 6 in-6 out buffer amp, all 1/4" I/Os balanced, 1 rack space, each channel has Level and Balance/Pan, This is the older better built (more rugged) unit.SOLD
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Customers outside of the US, please note that international shipping can be costly. Take a look at our shipping policies for more information and estimates of prices and shipping time.
40420Behringer PO300Guitar Overdrive$ 28
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51919Behringer T1954 Tube UltrafexVacuum tube multi-band sound enhancement device. Two channels, XLR and 1/4" in/out. Excellent condition.$ 120
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38816Behringer Tweakalizer DFX69DJ Effects Processor with Real-Time Control. Real-time scratch function for any input signal. Super-fast and accurate auto-BPM counter. Pitch Transposer, LFO-controlled effects section, Groove- and BPM-related loop sampler with up to 16 seconds of memory, EQ, 24 bit, too much to list. New in box.$ 110
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27716Behringer Ultra Drive Pro DCX-249624 bit/96kHz digital loudspeaker management system. Comes w/ original box, packing, and AC cord. 3 XLR inputs, 6 XLR outputs. SOLD
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52468Behringer Ultra Effects IISX3100. Final Mix enhancement device. Rev 3 modification done. In out switch sticks. #9 condition. $ 300
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26032Behringer Ultrabass EX-1000Bass processor/limiter, best sounding sub synth!! Modified-call us for details We do modifications to these units to improve performance and reliabilitySOLD
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31154Behringer Ultrabass Pro EX-1200Digital bass enhancement processor with limiter. Condition: 9$ 196
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31155Behringer Ultrabass Pro EX-1200Digital bass enhancement processor with limiterV - contact us
24483Behringer Ultrafex II EX-3100Near mint condition, XLR/Phone I/Os, Pro/Consumer, older-better built enhancement audio device, very nice improvement of definition and imaging-especially to enhance natural deep bass detail from tape or record, excellent very subtle and effective single.$ 240
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17781Behringer Ultrafex II EX-3100Dual noise reduction and multiband enhancers, XLR and 1/4" I/Os, surround processor, ch 1 and 2 solo mode, 1 rack space, sound enhancementContact Us
36819Behringer V-AmpGuitar Multi-Effect ProcessorSOLD
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34830Behringer V-Amp 2Guitar preamp processorContact Us
34860Behringer V-Amp 2Guitar modeling ampContact Us
38831Behringer V-Amp 2Guitar preamp processor, amp modeler$ 100
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27927Boss ME-10Guitar Multiple Effects (compressor, overdrive/distortion, noise suppression, EQ, Phaser, Flanger, Pitch Shifter, Delay, Stereo Chorus, Stereo Reverb, Effect Loop, Tuner, Midi in/out). Functionally tested OK. Excellent cosmetic and mechanical condition.SOLD
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42694BSR SE-ONE Spatial EnhancerInteresting box which widens the stereo image and "ambiance" enhancement with some equalization to improve general audio clarity with "3D" LED display. RCA in/out with tape/source switch. 8" x 3" compact size. #9 Condition.SOLD
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46870BSR SE-ONE Spatial EnhancerVery clever phase correction and enhancement device for equalization and fattening. Unit creates a wide and thick stereo enhanced image. RCA in/out. Excellent #9 condition, professionally cleaned, serviced, tested.SOLD
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57122Burwen KLH Research TNE 7000 AModified Rev 3: matched op amp, full nick pop update mod, some power supply mods. Minor stain at edge and on back chassis. Has a nice clean face with retro look knobs. Condition: 9-SOLD
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25317DBX 100 'Boom Box' Subharmonic SynthesizerSubharmonic synthesizer, the original big sounding unit, modified/upgraded for improved fidelity - call us for details. SOLD
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52406DBX 120Dynamic sub-harmonic synthesizer, 1 rack unit high, no rack ears, cond 9$ 120
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49250DBX 120ASubharmonic synthesizer with modeled waveform synthesis. Four bands of tunable harmonic enhancement, excellent for hifi systems. Excellent #9 condition.$ 168
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28445DBX 120XP subharmonic synthesizerunit in excellent condition. completly cleaned serviced and calibrated by audio proSOLD
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15359DBX 124Basic DBX noise reduction systemSOLD
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15952DBX 128Double DBX, model 118 compander/expander (infinite compansion to 2:1 expansion), DBX II noise reduction for cassette or reel to reelSOLD
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40426DBX 1BXAudio processor/range expander, excellent cosmetics. 0-50% expansion control, tape monitor, pre/post selector, transition level control, gain change LED metering. RCA in/out to quad coupler, stereo in/out, stereo recorder in/out. Completely cleaned, serviced, and calibrated. Rack ears available at extra cost. Condition: 9$ 188
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If you are having trouble finding parts enter the name into our search bar at the top of the page
55472DBX 1BX Series II1 band dynamic range expander. Expansion/Transition level faders. Expander pre/post/bypass, monitor source/tape controls. 9/10 condition.SOLD
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55826DBX 1BX- II1 band dynamic range expander, slider controls, a single space rack mount. Expansion, transition, pre, post, bypass. Has silver rack ears, excellent for phono playback enhancement, reduces noise for tape, excellent calibration. Original box and packing, two minor scratches on top cover. 9+ condition.$ 166
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47172DBX 1BX-DSImpact restoration and signal expander/compressor. Excellent #9+ condition, professionally serviced and tested. With rack ears included.SOLD
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28044DBX 228 Dynamic range expander.One space rack mount. Unit performs disc encode as well as tape encode/decode. $ 200
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40159DBX 263Anew in the box. $ 170
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55208DBX 263ADe-Esser half rack unit. High frequency/ broadband selector, "more" fader with LED indicator, frequency control. HI-2 1/4 inch in on face, In/out 1/4 jacks on rear. Can be used as either full band reduction or high frequency notch control, also can thicken low level compression. Virtually unused, light scuffs on top. No rack ears. 9 condition.$ 88
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55495DBX 3BXThe early version, with big LED and wood sides. This unit has all IC socket design with lowest noise version LF353 op amps, and discreet VCA cards for all 3 bands. Design uses poly-carbonate filter, coupling capacitors in crucial audio stages. Unit calibration is +/- 1 dB over 80 dB dynamic channel to channel accuracy. Unit has been completely cleaned (including connectors) and calibrated, and is cosmetically excellent (#9+). Overall condition: 9$ 360
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40561DBX 3BX IIThree band dynamic range expander. Rack ears in perfect condition. Unit in excellent cosmetic condition, completely cleaned, serviced and calibrated. Condition: 9$ 388
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19107DBX 3BX Pro VersionRackmount, ? Older version with discrete circuit preferred audio quality by audiophilesContact Us
57003DBX 3BX-DS3 band dynamic range controller. 1 rack space, black face unit, with rack ears. Will run on 220V. Fully serviced and calibrated unit, with minor scuffs on top cover, some signs of finger wear, and faded lettering on face and knobs. Condition: 8+$ 350
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56794DBX 3BX-DSThe best dynamics, impact, and ambiance controller. Complete with rack ears. 220/110 volt capable. Slight wear on knobs but otherwise unit is clean and calibrated, in #9- condition.$ 480
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17830DBX 463XNoise Gate. Box, Packing, Manual. 1/2 Rack Space. Accessory pack.SOLD
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42818dbx FS900900 series two-module frame. 1-rack space frame for 2 modules with built-in psu and rear panel XLR in's and out's. No top cover. Contact us for details.SOLD
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28047DBX II 128Compressor, Dynamic Range Enhancer, Noise Reduction system. Front panel features: Above threshold/linear switch, level adjust, compress/expand ratio control, pre/post enhance, rec/play/bypass selection, tape/DBX disc selection, play level match control. Unit designed for cassette or reel to reel. Excellent cosmetic condition. Completely cleaned, serviced, and calibrated.Contact Us
47112DBX II Model 128Dynamic range enhancer and noise reduction system. Compress/expand/pre/post controls, Record/bypass/play for noise reduction, tape/disc selection, play level matching, lever/threshold controls. Professionally cleaned, serviced, tested. Condition: 9$ 240
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40442DBX moduleSilver body module. Photos available.$ 48
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55210DBX rack earsFor model 266A and others, brushed black finish, 1 1/8 inset height, has original mounting screws. Condition: 8+ very minor screw and rack rash$ 36
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26510Deltalab CE-1700 Compu EffectronMulti Function Delay Chorus Echo Flange, unit will not respond to front panel commands, unit is for parts or repair - call for detailsContact Us
28137Deltalab CE-1700 Compu EffectronMulti Function Delay Chorus Echo Flange, unit will not respond to front panel commands, unit is for parts or repair - call for detailsContact Us
8328Deltalab DL-5 HarmonicomputerWeird pitch shifter, 12 button keyboard front panel, vibrato, LOTS OF KNOBS, time base processor, mix output, 1/4 I/Os. Cleaned, Calibrated, Modified for improved noise floor and calibration accuracy, Excellent Condition - Call for details.SOLD
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48242DigiTech 944 Chain ReactionDigital multi effects unit: distortion, flanger, chorus, delay, parametric EQ. Unit has very unusual distortion and delay character, very zippy and fuzzy. No remote switch, all effects on by default. Excellent #9 condition with some minor scratches on bottom.$ 120
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51259Digitech Control OneFloor foot switcher for 2112 preamp. Excellent #9 condition, includes MIDI cable.$ 88
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13940Digitech GSP5Multi-effects processor, 5 effects, very quiet/clean, great solid state and distortion sound, echo and chorus delays$ 150
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50926Digitech IPS-33BSuper harmony machine. Excellent condition.$ 188
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44505Digitech Studio VocalistMic and Line inputs. One octave keyboard style button array on face. Excellent tracking! Encoder code for editing factory and user programs. Great sounding harmonies and easy to use interface! Excellent #9 condition.Contact Us
Local customers please do not come to the shop without calling ahead first (617)926-8020 for an appointment so we can efficiently help you with your equipment or sound recording needs.
50924Digitech Studio VocalistFive part diatonic harmonic pitch shifter and vocoder, super duper fidelity! Excellent condition with new battery installed, fully cleaned and tested.$ 220
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19945Digitech Vocalist IIWorks off keyboard to midi change key signature, midi in key change, with ac cord and manual.V - contact us
32647Electrix Filter Factorynew in box with manual, hi quality analog filter, Stereo!!! High/Low/Band/Notch, MIDI/CV/Foot pedal, 4 wave forms for LFO, TONS OF KNOBS!!!SOLD
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33375Electrix Mo-FXDigital effects processor, live time knobs, 2.5 sec ping pong echos. With manual, distortion, flange, tremolo, delay, chorus, Amazing effects!! Very live time, Playable!!! Like new in box; one time AP demo and rental piece.$ 180
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50885Electrix Mo-FXTime synchronized effects processor, complete with rack ears, fully serviced, calibrated, tested, very good #8+ condition with scuffed knob caps. Distortion insert level and drive, flange depth and speed with three band EQ, tremolo shape and speed, delay three band with mix control.$ 160
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34743Electrix MoFXDigital effects processor, live time knobs, 2.5 sec ping pong echos. With manual, distortion, flange, tremelo, delay, chorus, Amazing effects!! Very live time, Playable!!!V - contact us
36178Electrix MoFXDigital effects processor, live time knobs, 2.5 sec ping pong echos. With manual, distortion, flange, tremelo, delay, chorus, Amazing effects!! Very live time, Playable!!!V - contact us
33152Electrix Repeater with modsBrand new in box with modifications see here for detailsV - contact us
33153Electrix Repeater with modsBrand new in box with modifications see here for detailsV - contact us
32648Electrix Warp FactoryVocoder, new in box w/manualSOLD
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39230Electro Harmonix - Bi-Filter (Dual Analog Filter Processor) $ 390
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39489Electro Harmonix Bi-FilterBrand new Bi-Filter. $ 480
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49166Electro Harmonix v256 VocoderAwesome sounding, very shapeable vocoder, with "reflex tune" function. New, QC by AP.$ 218
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49165Electro Harmonix Voice BoxVery versatile and useful voice processor pedal with harmony machine and vocoder. Many functions, very nicely done sound. New, QC by AP.$ 218
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42384Eventide H3000 D/SEDynamic Ultra-Harmonizer. Dual channel in/out. Fully tested and cleaned, amazing condition. Very minor rack rash at ear screw holes, (hidden when screws inserted), no scratches on face or screen. AMAZING sound, legendary and signature sound. Studio standard. #9 condition. With manual. SOLD
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22301EXR Corp. Model SP1 ExciterThis is the original vintage/first marked/very rare to find item!!!! "Pschoacoustic Audio Enhancer", 2 channels, excellent mechanical condition, unbalanced screw terminal strips for I/O, Brightness enhancer/Strident sound.SOLD
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10570Furman QN-4AQuad noise gate, 3 month demo - no box packing manual$ 160
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17823Furman QN-4AQuad noise gate, 4 channel, Threshold/Release/Depth, 1 rack space, 1/4" I/O$ 130
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51883GLI EF256Multi-effect unit with true stereo processing, modified by AP for limiting and lower noise. Flange, echo, and reverb effects. Mic and line inputs; XLR, RCA, and phone outputs for many signal routing options. Very good condition.$ 240
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42328GLI Pro EF-256Effects processor, 1 rack space with mic preamp in stereo, mixer for Mic/Line XlR/Phone inputs, stereo multi effects unit$ 200
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26948HOSA ODL-276 Optical Data Link.Optical Data Link with AC Adaptors, Optical to Coax and Coax to Optical Simultaneous. New in Case.$ 99
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45143Ibanez AD202 Analog DelayDual channel delay unit. Channel 1 and 2 level control, tone control, mode select, delay time, speed, width, regeneration, blend controls. Very good #8 condition with some minor marks. Very low mileage, professionally cleaned and serviced.SOLD
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40302JBL DSC260 Digital System Controller.Virtually new in box, mint condition. display slightly dark on one side, but readable. 3 way stereo eq crossover. SOLD
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48394Joe Meek Pro Channel VC3Microphone preamp, compressor, enhancer. Like new condition with manual and power supply, all cleaned and tested.$ 180
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30084Joe Meek VC3QPro channel compressor, List: $399 New in BoxSOLD
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Customers outside of the US, please note that international shipping can be costly. Take a look at our shipping policies for more information and estimates of prices and shipping time.
30024Joe Meek VC6QBritish channel, List: $599 New in Box!!$ 440
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44359Joe Meek VCIQ v1.01Mint condition with box and packaging. Compressor, Meequalizer, and dynamic Enhancer.$ 560
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56567Kenwood SS-79 AV Surround AmpCombination surround sound processor and 15 watt amplifier with Dolby stereo. Designed to add on to any stereo and create surround sound for spatial settings. Black slim-line all metal construction. Condition: 9$ 88
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25037Kenwood SS-992Dolby surround sound processor, does true stereo Dolby Pro Logic steering, variable time and preset level for back channelsSOLD
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56876KLH TNE 7000ATransient noise eliminator for reducing clicks and pops when playing back records, with Audio Pro Rev 5 mod for improved performance (click here to read more about our mods). Features sensitivity/threshold controls and defeat/tape monitor switches. Unit has non-original control knobs. Some minor scuffs and light staining on face. Fully serviced and calibrated. Condition: 8-$ 380
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56315KLH TNE 7000A - Pro versionTransient noise eliminator with Audio Pro Rev 5 mod for improved performance. This is the pro balance-line version, with XLR in and outs. Unit has non-original knobs and buttons (replacements are high quality). Light rack rash and minor scuffs on top cover; tiny dent on one corner. Fully serviced and calibrated. Condition: 9$ 440
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24375KLH TNE-7000ATransient noise eliminator, AKA click and pop reduction, 2 space rack mount, RCA ins/outs, PS modification plus update TL075 opamp into audio circuits, weld to ground transformer mod - call for details

Most people know the SAE5000 noise reduction system. The SAE works well on obvious pops and clicks, and is certainly acceptable for most users. But the TNE7000 is simply a superior device, adjustable for a wide range of records and cartridge types. The device operates on the concept of the click pulse being out of phase between the left and right channels as well as the wide frequency response. The best performance is realized when phono cartridges have excellent stereo separation and transient response. Ironically, many supposed audiophile cartridges are not technically accurate or actually have truly correct channel separation, especially the Ortofon moving coil designs and most conical cartridge stylus designs. The best are Audio Technica, Stanton, and older Shures, with elliptical stylus and honest 40dB channel separation. My modified TNE7000 is even better, with less obvious click removal and more range of control to remove finer nicks and ticks without overreacting to program material. I spent about six months in research designing this upgrade.
SOLD
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50935Korg DT-1 Pro guitar tunerRackmount digital guitar tuner. Four inputs, four outputs, all 1/4" phone. LED scale -50dB to +50dB. Very good condition, includes rack ears, power cord spliced to 3' length.$ 80
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16851Korg DVP-1Digital voice processor, LED display, 8 preset/8 bank, full MIDI, 1/4 out mix/direct, 2 rack space, XLR or 1/4" Line/Mic in, chorus/pitch shift, tune port, phones. Unit is in excellent condition with low use time. Possibly the best digital vocoder made. SOLD
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13374Korg KEC-42EQ/Compander, 4 channel EQ, midrange sweeping and side chain expander/compressor etc., stereo compressor$ 130
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14216Korg KEC-42EQ/Compander, 4 channel EQ, midrange sweeping and side chain expander/compressor etc., stereo compressor$ 130
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17896Korg KEC-42EQ/Compander, 4 channel EQ, midrange sweeping and side chain expander/compressor etc., stereo compressor$ 130
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17897Korg KEC-42EQ/Compander, 4 channel EQ, midrange sweeping and side chain expander/compressor etc., stereo compressor, missing foot - Housing rack unit style but no "ears" 1 space. With original box, packaging, manual, and warranty card. $ 170
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45346Korg KEC-42Very compact and clever EQ/Compander/Compressor. 4 EQ channels, 2 channels have built in gate/compressor. Four channels come in and can be equalized with sweepable bass and treble. Two other channels can come in to be compressed or gated by signal control of any of the four input channels. Like new condition.$ 130
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28202Lexicon CP1 dolby decoderwith manual and remote. Pristene condition, all checked out and serviced. Revision 1.04SOLD
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43094Lexicon Model 93 Prime Time Delay MANUAL#8 condition. Slightly soiled cover. Excellent otherwise. Complete with diagrams and set-up charts. With service note.SOLD
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50894Lexicon Reflex MIDI ReverberatorDual channel with 1/4" inputs and outputs and input mix and output level controls. Very good condition with heavy scratches on bottom left hand corner. Fully serviced, full functional check.$ 88
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50896Lexicon VortexAudio morphing processor. Full stereo inputs and outputs with A/B "relay" inputs, foot pedal plug, A/B tap. Excellent condition with some minor scratches at rack ears.$ 140
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45267Master Room XLR-404Dual Spring Reverb, 4 band EQ, Phone Jack in and outs, in 2 sets of Hammond Springs per channel! All tweaked and aligned improved bandwidth/lower noise. Unit in near mint condition #9 Cosmetic, #10 Mechanical.SOLD
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24734Mic Mix FlangerPossibly we have another for saleSOLD
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42624MSB Technology Link DAC24 bit - 96 kHz digital to analog converter, coaxial/opitical input, analog input pass thru, black finish, direct coupling DC servo, low jitter clock recovery, #9 condition.SOLD
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17917MXR 129 Pitch Transposer2 rack space, blue face, FX loop, 4 presets, bypass, mix, REGEN, High and low level switch. Modified RFI input mod, Gain Mod, Reduce noise and signal overload. Includes MXR Pitch Transposer Display #17916.SOLD
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8410MXR Micro AmpCleaned all controls and jacks$ 25
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17916MXR Pitch Transposer Display2 modes: Half step and ratio, 1 rack space (to be sold with MXR 129 #17917 - $480 all together).SOLD
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47622MXR-131 foot controller5-switch ADA metal chassis modified to control an MXR M-131 Pitch Transposer. Four pitch shift preset buttons and one bypass button. Uses standard shielded 1/4" cable. Excellent condition, previously used only in Vince's personal studio.$ 140
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If you are having trouble finding parts enter the name into our search bar at the top of the page
41414Nakamichi DMP-100 Digital Mastering ProcessorUnit is not in working condition, sold as is --good parts machine.$ 30
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41427Nakamichi DMP-100 Digital Mastering ProcessorScratches on top and bottom, but face looks good. Mechanically last known to be in good working condition.Contact Us
8362NEC AVD700ESurround processor, multifunction video processor

Be aware, this is not an amplifier but a rather remarkable, super audio quality 4 channel processor. It has 2 channels in and 4 channels out which allow the unit to create delays and acoustic ambiance enhancements from the original 2 channels. This machineís best attribute is to extract the natural ambiance (reverberation) from the stereo image and place it in the back channel as well as adding user-adjustable delay time to further enhance the natural surround/large room effect. Itís a device for the purist audiophiles who are not looking to substantially alter their sound but rather enhance their stereo to 4 properly placed speakers. Feel free to call for more info if you are interested.
$ 160
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52964Next Rez 30#9 Condition.Call Us
52961Next Rez 30#9 Condition.Call Us
52962Next Super Bass 4.4Bought as new. #9 Condition. Call Us
29777Next! Rez-30Resonator effect processorSOLD
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29767Next! VF-11 VocoderNew Old Stock$ 380
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29956Next! VF-11 VocoderModified for better filter. Call us for details$ 380
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29766Next! VF-11 VocoderVF-11 Vocodor, new in box with packing.$ 380
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43878Nikko ATD-1 Time Delay SynthesizerSemi-professional consumer spatial delay. Rackmount. Like new in box! The ATD-1 is a simple stereo in analogue delay designed to tap off a few echo signals and create a slightly soft sounding echo, reverb for back channel. Most people who sought the ATD1 were in need of a simple, cute unit for enhancement of recorded rock guitars and vocals which it does very effectively. $ 120
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55400Numark TC 4100Mixer Meter record out select box. 4 line ins with level controls to 4 record outs of any choice in, out. With calibration level tones, meters. Can convert -10 to 0db level matching between R to R to cassette, CD burn. Very nifty box, cleaned. 9 condition.$ 120
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55552Phase Linear 1000Autocorrelator Noise Reduction System. Dynamic range recovery system. Peak Unlimiter/Down Expander, Auto Correlator, Low Freq Calibration Controls. AP Rev 6 Mod for improved performance, dynamic expansion and recovery. Condition: 9. Contact us for more information.NFS
26464Pioneer DT-530Audio Digital Timer, 2 AC outlets, Clock adjust, sleep set timer, thin line$ 60
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14701Pioneer SP-101Synthesized surround sound processor, Cosmetics Very good. Two channels: Front - synthesized frequency (LED's 30,40,50,60 Hz). 30 and 40 Hz cut switches. Tape Monitor switch. Bypass switch. Surround Mode selector (simulated stereo, studio, theater, stadium). Synth level, balance, master volume controls. This machine also does Vocal elimination in studio mode of operation... THERE ARE OTHER PRODUCTS AVAILABLE THAT CAN DO THESE SIMILAR FUNCTIONS. call for more info.SOLD
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27935Pioneer SP-700DDolby Prologic and Sound Field Processor, Master Volume, Mute Sw, Tape Monitor Switch, Digital EQ, Various room effects, burn in test all OKContact Us
17246Pioneer SR-303Stereo reverb amp, blue "tunnel" display windowSOLD
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17034Rane RA2727 Band analyzer with mic pink noise generator, PA or Home speakers, with MicSOLD
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928053Re: International ShippingWe ship internationally often and have yet to encounter a problem or complaint. We are very careful to test the equipment before itís packed and then to double box the machine with added protection when needed for front panels, etc. We are not amateurs or an ebay store; we know these machines very well and know what it takes to get them to you safely. We use USPS priority internationally which seems to be the cheapest. If you prefer another carrier (you should know who delivers to your area reliably) please let us know. Also please be aware of any tariffs that you may be responsible for upon pick up on your end. International shipping may be expensive but we will make sure it is not a headache on top of the cost. FYI
29779Red Sound VO1Voyager 1 Beat Extractor, Original list $249SOLD
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52043RG Dynamics SS-1Signature Series 1 dynamic range expander. 2U Rack Mount Unit Used in very good condition, some rack wear on corners. #8 condition . Good looking faceplate, minor rash on one corner. Totally cleaned and serviced, with AP modifications for cleaner dynamics!$ 150
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22214Rockman Instrument EQ1 rack unit, input gain: -6-0-+6 with clip indicator, delay (stereo effect with L=R delay differences), Separate level controls for L and R, EQ with hot level switch and 12 bands, bypass/volume, 2 separate units (1/2 rack each) in rack holderSOLD
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50114Rocktron Pro Chorus serviceWe can do full servicing and updates for this device. We calibrate carefully, check all parts, and update for lower noise and more reliable operation. Average, typical repair with modification is $88 to $132 including all parts and return shipping. Please call for details.Contact Us
14241Rocktron Prochorus1 rack mount space. Good cosmetics. Similar to the ADA Stereo Tapped delay. Inst/line level input (with rear switch), rear 1/4" phone jacks for Input, Footswitch, and Left and Right outs. Controls: Modulation/incl. Random and Regen., delay assignment: 5-42 ms, Left and Right mix. New lower price!SOLD
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7266Rocktron RX1Exciter/imager.$ 80
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Local customers please do not come to the shop without calling ahead first (617)926-8020 for an appointment so we can efficiently help you with your equipment or sound recording needs.
42188Roland FC-10011 button footswitch controller for use with GP-8. Includes 20ft cable, 6-pin DIN. Excellent #8+ condition, all tested OK.$ 180
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42167Roland GP-8128 effects programs, MIDI in/thru/out, 1/4 inch ins and outs, with manual. Very good #8+ condition with minor rack scratch, all tested OK. FC-100 foot controller also available but sold separately $ 240
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48407Roland GR-33 guitar synthesizerMulti function foot control synth processor. With manuals and GR multi pin cable. Mint condition in box and packing.$ 280
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28146Roland RE 501 chorus echoMint condition!!!! xlr in/out,1/4" in/out. pro version latest made. chorus/echo, newer tape installed modified for improved tape tensionSOLD
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27837Roland SP-808 GroovesamplerW/zip drive, real time fx, d-beam control, 8 channel recorder/mixer, 3 band EQ, Mic Input, Minor Scratches on unit.SOLD
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51951Roland SRV-2000MIDI controlled digital reverb. Very tweakable reverb with EQ controls and room simulator. Excellent choice for percussion reverb. Very good #8 condition, low use time, professionally cleaned and serviced, minor ding on upper right corner of rack ear. $ 180
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52687Rotel RDA-980Digital surround adapter. Condition unknown. 3 digital in, 5.1 DB-25 out, RCA front, rear, center, sub out, time alignment controls. Sold for nice chassis. Has broken switch for center channel. May need some board work. Untested.$ 30
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43095Scott 830Z Audio Analyzer MANUALOriginal manual. With record. Like new, #8 condition. Some marks and writing in manual.$ 20
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44860Sony HR-MP5 Multi ProcessorVery powerful effects processor! Comes with custom power supply unit, 1/4" stereo ins/outs, MIDI in/out, digital jog dial controlled menus. #8 condition--this unit is tested and fully functional, but the display is dim due to problem backlight. Please call directly for price and details.Contact Us
28331Sony PCM 501ESdigital audio processor, great front panel cosmetics. completly cleaned/serviced, and calibrated by audio pro. SOLD
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19419Sony PCM-701ESDigital audio processor, Serviced, Cleaned and Calibrated. Mint Condition!!SOLD
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25765Sony SQD2000 SOLD
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43546Stanton DFX-1 digital audio effectsIncludes echos, panning, flanging, filters, reverbs, pitch shifting. Live time control of two parameters of each effect with trackball. Built in BPM analyzer. New stock. $ 120
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43749Stanton DFX-1 Effects ControllerFX controller with 85 presets. Single and combo echo, auto pan, flanger, reverb, pitch shift, etc. Effects sync and BPM analyzer. Includes 9v AC adapter. New.$ 140
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21154Symetrix 5444 channel noise gate, Attack/Threshold/Release/Range, excellent noise gate$ 330
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26353Symetrix SX206Multi Function Unit Processor, Very Interesting Function for Acoustic Synthesizer or Trick Effects, 1 space dual channel, Like Mint Condition Extremely Well Built Unit. **New Low Price!**$ 240
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16836Symetrix T101Telephone interface, 2 band EQ, XLR I/O, 1/4" I/O, compressor/limiter$ 280
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17725Tascam EX-20 / Tascam PE-20Tascam EX-20 Expander, 4 channel, XLR/Phono I/Os, Bus I/O (phono), phono dir out, Trim/Aux/Aux pan/Pan each with own volume / Tascam PE-20, Parametric EQ, all phono I/Os, High/Mid/Low pots with levels, 4 channel - - **$150 for the pair**$ 150
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37657TC Electronics M-300Multi Effects Processor$ 195
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37947TC Voice One HeliconSuperior quality voice processor and harmonic enhancement pitch corrector, as new demo. 9+ condition. $ 380
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17434Teac DX-8Noise reduction module, accessory for 80-8 tape recorder, bag, manual, 16 RCA cables, no warranty card. Known to be in good condition. This unit is priced on request depending on service required. $250 (Tested appears to work, minimal repair, clean up time is spent) - $400+ range (Full restoration everything repaired, all relays cleaned (there are 16 of them!!) tested, calibrated, etc.) These are 30 years old, itís almost a requirement to really perfect. Once serviced correctly these are very reliable and great performing machines. We also do a modification in the circuit which reduces the circuit noise another 4 to 6 db and also reduces the crosstalk, simulsync, playback at high frequency by almost 10 db. A significant improvement. $160 for the modification.SOLD
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15026Trouper Series SOP-1Equalizer, LimiterContact Us
14522TVE Vocal EliminatorRemoves vocals by tuning out frequencies and nulling center channel vocals, with stereo image enhancer. Controls and switches cleaned. New power switch. Ruggedized.Contact Us
28057Ultra Effects II EX 3100Unit in mint condition w/ box and packing. Stereo professional/consumer unit. stereo detail/clarity/ bass phase correction/ noise reduction/ enhancer. One space rack mount. With upgraded audiophile power supply RFI modification. $ 240
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41803Yamaha GEP5050 effects programs including reverb, distortion, flanger, chorus, EQ, phasing, etc. , 50 programmable memory banks for saving effects settings, MIDI in/thru, 1/4" ins/outs$ 135
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Customers outside of the US, please note that international shipping can be costly. Take a look at our shipping policies for more information and estimates of prices and shipping time.
51594Yamaha PG1Guitar Preamp Equalizer. Rackmount, black face, parametric EQ, unit with two phone inputs and headphone output on front panel. Very nice condition with some typical scratches at rack mounts. AP installed better Accutronics three spring reverb pan. Fully serviced and tested, guaranteed.$ 330
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29703Yamaha SU-10Sampler. Like new in box with manual, power adapter, and packaging. 4 banks of 12 samples, plays up to 4 samples simultaneously, ribbon controller controls internal and external info and sends MIDI CC info. MIDI in/out, built in 3 track non-MIDI sequencer, extra long power supply cable. **New Low Price!**$ 200
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39258Zoom 606Multi effects processor for guitar. 35 effects (9 at once), 42 programs, expression pedal.SOLD
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37370Zoom 607Multi effects processor for bass guitar. Wow!!! Great unit.SOLD
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37372Zoom MRT-3BMicro Rhythmn Track Processor$ 100
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Contact Information

Our hours are -

Monday (12 Noon - 6pm),
Tuesday by appointment only,
Wednesday through Friday (11am - 7pm),
and Saturday from (11am - 3pm)
We are closed on Sundays.

** Employment Opportunity - Technician Needed (2012-10-12) ** We are currently looking for a Technician, with experience in Audio. Inquire Here or call us directly for more details.

** Shipping Guidelines Update (2012-10-12) **
Please do not ship any packages to us using the Fed Ex Home Delivery Service , the packages will not arrive. They only attempt to deliver during our off hours and do not leave tags. We have tried several times to remedy the situation but they seem to have an unusually hard time with the concept. For more details about our shipping policies Read Our Shipping Guidelines Here or call us directly.

** Return Policy: **
Please make sure the part # in our inventory is exactly the one you want. The manufacturers made many variations of similer parts. If you are in doubt, it is best to attach a photo of exactly what you need.

** Condition of Audioproz items: **
Unless described otherwise in the item listing, all items have been cleaned, serviced, and tested for correct functionality on a professional test bench. Items listed as parts are sold as is.
 
Phone
617-926-8020
FAX
617-926-8707
Postal address
779 Mt. Auburn St., Watertown, MA 02472
Electronic mail
Sales: sales@audioproz.com
Webmaster: webmaster@audioproz.com

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Tuesday, September 16th, 2014  
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