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QSC RMX1850HD
# 61450
2-Channel full-featured stereo power Amplifier; includes level controls, EQ and limiter switches on back panel, Speak-On cables, and banana plugs. Extremely low use amplifier (occasional rental)
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Crown XLS 2500
# 61479
RCA ins don't work, all else functions OK, low use, #8 condition
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Marantz wood cabinet 1030
# 61481
Fits 1060 amp series + tuners (105), walnut veneer, has many obvious scratches but appears to be repairable with skim sanding and refinish, but will probably still show slight scuffs, #7 condition
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Marantz 10B FM Tuner
# 61510
Excellent condition in our opinion. All original vintage tubes are still in the machine. Excellent FM calibration and service done at Audio Pro, scope alignment for FM is on target. Scope brightness calibration for intensity is max. Scope visibility is very good and easily read but not bright. Basic service of cleaning all controls and switches done. Tube pins and sockets cleaned as necessary. Capacitor and power supply volts all are on spec. It has truly excellent internal cosmetics. It is odd that tubes have only modest use time. All performs well but scope display is weak but again, totally readable. Channel separation better than 40db THD is . 2% or less. Unit was heat run for a day. The one problem the unit may have is possibly one of the FM vactrols sometimes is a little off spec by 1 or 2 db or so in level but channel balance is stable over long listening periods for certain. There is a S. S. Number scratched into internal chassis top, above Marantz logo almost unnoticeable.
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Yamaha M-80
# 61513
Meter and meter board with switches and I. C. Bulb, minor scratches but otherwise good cosmetic condition, #8
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If you see a part number and a price, we have that item in stock.
Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g).
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Teac Portastudio record play head 53786010
# 61515
4 track, 4 channel record play head with wire harness for Tascam portastudio, same for use with model 234, 244. Pulled from salvage unit, used good condition #8. (contact us for current availability)
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B+W (Bowers and Wilkins) ASW600
# 61518
10" Powered Sub Woofer (14. 5"W x 14. 25"H x 18"D), 150 watts/ 43lbs, high level input/outputs, low pass filter adjustable 40hz-180hz, phase switch 0/180 degrees, auto on/off sensing, adjustable volume, very good condition. *A few snags/white spots on grill. #9 condition
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Marantz SR880
# 61521
Uses 25A1943 and 25C match transistor, STK401-110 power pack, not certain of problem, will not pass signal, power amps appear OK, unit appears to have low run time, caps look good, good cosmetic condition, unit has bottom panel access, unknown mechanical condition, #7
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Ashly GQX Model 1502
# 61522
Stereo 15 band Graphic EQ Rack Unit Channel 1/ Channel 2 Gain and Ch 1 / Ch 2 EQ by pass switch 1/4" and XLR inputs/outputs Nice simple layout, good condition, faceplate looks great . Cleaned and tested #9 Mint Condition
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Monster cable M350
# 61538
RCA phono cables, *2 pair*, 1 meter length, M series audiophile cable, twist on gold-plated pins, high quality, *Note: do not push on or pull off, TWIST to remove/install or damage to plugs will occur!, good condition - outer case dirty, priced as each, #9-
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Dean Markley K-20BX
# 61548
Gain, low mid, high mid, bass, treble, 1 × 8" Dean Markley vintage rock design speaker, cute little practice amp, good condition, few very minor marks, headphone jack currently does not null out speaker (would require rewiring), great student/practice model!, #8 condition
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Symetrix SX-202
# 61557
Dual mic pre-amp, polarity: 0/180, 15dB pad, gain adjustment, balanced/unbalanced, line input + outputs, �" phone jacks, mic inputs: XLR, power supply: 12V AC 400mA, special knobs installed for RFI on audiophile caps and grounding updates and precise gain tweaks, channel gain matching and 2db better noise floor, #8 condition
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Vector Research VR-7000
# 61561
AM/FM stereo receiver, bass/mid/treble controls, meters (power output) with sensitivity switch, FM muting/de-emphasis switch, tape dubbing 2 way (1-2/2-1), phono/aux inputs, gray/brown bronze type color face, very low use, nice condition, watt per channel modified update, various amp circuits, #8+ condition
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Beringer Ultra Bass BX1800
# 61564
180 watt bass workstation, DX loop headphones jack, CD in RCA inputs, -6 db pad switch, 15" speaker with piezo tweeter in excellent condition, unit has some wear, marks, scuffs on tolex, few small tears, grill cloth in great shape, new power switch installed, interior is clean, sounds good, versatile amp, 7+ condition
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JVC DR-MV150B
# 61574
Combo DVD/VHS VCR recorder, records both to DVD + VHS (multi-format), full function remote, HDMI 1080P up conversion HDMI, component, S-video RCA A/V, optical audio out, ATSC digi tuner, front AV + camcorder DV input (IEE 1394), excellent condition in-box, low use, #9+
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Check us out on facebook.
We keep our database up to date with almost 10,000 items in stock.
If you see a part number and a price, we have that item in stock.
Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g).
We are glad to combine orders to reduce shipping costs.
Take a look at our shipping policies for more information and estimates of prices and shipping time.
Nakamichi
# 61580
Swing arm (white) with washers only, for inter idler BX-series, no idler, #9 condition
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Technics SL-1200 full size platter mat
# 61603
SL-1200, SFTG 172-01, original 11. 5" full size platter mat, excellent condition, #9
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Thorens TD-125
# 61605
Manual Turntable (belt drive) 3 speed design 16 /33 / 45 rpm, w pitch control. Has Shure SME 3009 II Tone Arm with Shure V15 type II Cartridge (original low use elliptical stylus) Nice rubber matt & Clear duct cover hood, non hinge, unit complete service & calibration and set up. note: 16 rpm non function, 33/45 rpm all OK. Excellent condition (#9)
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Behringer HD 300 Heavy Distortion
# 61647
Used, nice condition, in original box, # 8 + condition
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Bozak B302A
# 61654
Urban Cabinets (24"w x 24"h x 20"d) Walnut finish, 3-way. 12" woofer, 6" midrange, 2 3"tweeters. All drivers sweep tested.
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Yamaha M-80 face plate
# 61668
Face plate only, has small scrapes/scratches on the left hand edge, can be sanded out, includes push buttons (power, auto class A, peak hold, range 2, 4, 8 Ω load), good condition, #8+
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Mabuchi Cassette Capstan Motor # EG-530AD-2B
# 61693
W/ Mounting Screws. Salvaged, Used , in good condition, #9
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Nakamichi 480,580 series Supply Hub Kit Complete
# 61695
All springs (2), Hub 4 parts axel. Used, salvaged, #9 condition.
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Roland SP-700 16-Bit Sample Player
# 61700
16-bit sampler, Every memory card is stacked, Unit powers on and receives MIDI signal, cycles through all functions, works, just unable to check for sound out because no volumes loaded into banks, Unit came from studio, reported fully working, Some rack rash and minor wear, cosmetic condition good, Condition #8
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Marantz 6300
# 61702
Direct Drive. Auto Shut off, Pitch control, Can be operated manual/auto functions. *Needs Felt Stacked on Each Foot before sale, customer request. Note: unit hypersensitive on shut off @ end of record. Headshell has Shure V15 III, no stylus-Technics, headshell can also be fitted. No dust cover. #9 condition
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We have a wide variety of speaker parts available, and we do modifications for improved fidelity, better power handling, phase correction, and many others. Email us at sales@audioproz.com or call (617) 926-8020 for details.
Marantz CD-635E
# 61704
Single Compact disc player. High quality unit (special edition). Optical/coaxial digital outputs, direct access. Front panel dimmer, time, program edit functions. Headphone jack, but no volume control. (no remote) Excellent #9 condition
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Conair class 2 power supply
# 61706
Model # LD301-140122, output: AC 14V 1220mA, ok for 15 to 16VAC, OK for Thorens or SYmetrix
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NAD Stereo Amplifier 3130
# 61711
A,B,A+B, speaker settings, Bass, Treble controls, CD, Phono, Tuner, Video/Tape 2 inputs. Better upgrade to many capacitors, and ruggedized board solder. Unit has original transistors, good quality power supply capacitors, nice condition, clean faceplate. #9 condition
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Tascam 388 Reel servo PCB 52101740-01
# 61743
Reel servo PCB 52101740-01 -Some upgrades done (Replaced R109-4. 7 K ohm Resistor R142-22 K ohm) Salvaged from low use unit. #8+ condition (Vinc card for his use)Be aware this board is the most complex to calibrate. It controls motor play tension, speed as well as rewind tensions. Those controls can be a little “interactive”, often requiring a few attempts to make all adjustments properly. So it won’t just work correctly upon simple installation. The board is sensitive to the issue as described. Often the board itself is not bad but the power supply voltage is not running correctly. This is often due to loose or bad soldering or connectors at the main regulator circuit which must be looked into. I have seen In my experience this is a very common problem with the 388 if not addressed. I've been offering consulting help over the phone about how to correctly service and diagnose these and other vintage units. What I explain is very important information that bust be investigated to make the unit more reliable, quieter better operation. I do charge a ½ hour labor. Concerning the servo board, in general it is best to set the trimmers to positions similar to your original board (unfortunately these often have become mis-adjusted during a service attempt). Contact us at sales@audioproz. Com or call directly 617-926-8020 (weekdays 12 noon to 7pm no Tuesday)Two variations of these boards exist but they work the same. One board has two fewer trimmers in it's design. To complicate matters worse … is the fact that in the manual explaining calibration; I’m convinced has two designated trimmers reversed in the described procedure. The opto sensor in the tension arms do get off spec and can fool you during calibration attempts. So it‘s complicated.
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Sony CDP-C215
# 61762
Automatic 5 disk loading system, Headphone level out, shuffle etc. Basic service has been done, low use time, better than average machine, 8+ condition
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Infinity SS 2005
# 61766
Three way speakers polycell dome tweeters. Professionally refoamed 4. 5" Mid Range & 8" woofers. Woofers and Cabinets damped to tune to lower frequency. Black oak cabinets with many scuffs and scratches. Black knit grills, many holes in screen could be covered with new cloth. Excellent sound! Original voicing and crossover. Grill/screens have holes good condition - cabinets do show some water damage, slight split of corners - but still solid! #7 condition
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KLH Model Five
# 61770
Pair of vintage 3 ways, treated textile surrounds, original woofer sweep excellently, all new caps, Audio Pro x-over update rev 4. 5, super update but KLH type sound, much improved fidelity, more natural voice, better bass, improved power handling, walnut cabinets #8 condition, light brown grills #9+ condition, logos are excellent, overall #8 + condition See our article on the correct way we service & maintain vintage textile surrounds. https://www. Audioproz. Com/AP. Php?Article=127
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Roland Bass + Drums synth module M-BD1
# 61771
Many programs assigned to channel 1, starting at patch 7, drums begin in the 90's. One rack ear bent, some other minor wear and tear but overall cosmetics are good. 7 condition
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Roland JV-880 Multi timbral synth module
# 61772
Several programs loaded onto machine including Orchestral II expansion board SR-JV80-16. Memory battery checked, good. Minor wear and tear, some minor rack rash, otherwise intact. Some, scratches on top cover. #8 condition.
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Nakamichi BX-300
# 61776
Discrete 3 head cassette deck. Direct drive/double capstan microprocessor control. Pitch control, Dolby B ,C, MPX filter, Headphone out with level control. Very low use unit. Best quality machine. Fully serviced, cleaned, calibration is excellent. 9+ condition.
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We know you have many options for purchasing audio equipment and parts, and we truly appreciate your business.
We strive to offer good products at competitive prices.
While we can't always match the prices of one isolated reseller, we make up for it by carefully selecting, testing, and finding unique and special rare parts, and we are here for the long run.
We guarantee everything we sell and we hope it helps you to enjoy a great listening experience.
Sony TC-W530
# 61784
Dual well dubbing cassette deck. All service, new Rec/Play relay #8+ condition
SOLD
KLH Model 17
# 61786
2 in stock, 3" tweeters, 3. 5" square magnets, sweep tested 1. 5 KHz good, tweeters will perform better if screens are removed, good - small dent in protective screens, nice, priced as each, #8 condition
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AR 5
# 61789
(2) Tweeters, 3/4" Paper Dome, 4 3/4" MT plate, (3 11/16" x 3 11/16") 3 Hole Pattern. (1) Tweeter sweep tests excellent $44 (1) tweeter functions but is off spec, but is useable $22. Both Drivers are rare flexible ring version.
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Pioneer RT 701
# 61816
Left db meter RAW-061-0, good bulb. Condition # 9
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Yamaha NS-10T
# 61833
2 way small bookshelf (16" x 9. 75" x 8. 5") Walnut Vinyl veneer $108. (2) 6. 5" Woofers $28 each. (2) 1. 5" cone tweeters $14 each. All drivers sweep tested good Can be broken for Parts. Cabinet Solid, with a few dings. Grilles ok with a few snags and one small tear - presentable. Drivers in #9 condition, Cabs/grills fair/poor, #7+ condition overall.
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Bose AWRC-1G
# 61914
Wave radio/CD player. No remote. Good #8+ condition.
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Apex HP70
# 61946
Closed back studio headphones. New in box
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Apex 850 Dynamic Vocal Mic
# 61952
On/off switch, with 20ft XLR cable and mic clip, new in box, #10 condition
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Sony PS-LX 250H Fully Automatic Turntable
# 61954
Start/stop functions, Audio Technica cartridge w/ Conical stylus, ss/45, size selector, dust cover in good condition ( a few swirls), like new condition, as if it was never used, # 9 condition
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Dual 1229 strobe, neon lamp assembly
# 61996
Complete assembly, strobe, window, neon bulb, original neon light, still good, about 1/2 life left, condition # 8
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We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 or email us at sales@audioproz.com to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.
Dual
# 61997
Pulley for turntable motor 60hz, fits 4mm axel, 3 speed. #9 condition
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EPI tweeter 1" inverted dome
# 62007
Masonite mt plate, 5" diameter, 1" paper cone w/ cloth surround, used in early EPI model 50, 100, 150, etc. .. Sweep tested 1. 5khz =>, condition # 8
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Technics SL-1200
# 62015
Platter mat, black 11 3/8" diameter, rubber is good, a few obvious scratches, used, condition #7
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Audio Technica AT 4071 A
# 62053
Shotgun mic, Like New. New but a little outside box wear. #9+ condition
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Altec Lansing 100 4 way
# 62063
Pair of tower speakers, sweep tested all drivers, 1" dome tweeter, 3. 5" midrange, dual 8" woofers, sounds similar to ADS 1290's, Audio Pro updated x-over rev 5, high frequency 2nd order filter, mid range 2nd order new coil, bass 2nd coil and improved cabinet damping, really nice, excellent voice, black oak vinyl cabinet, black knit grills, 41"h x 11" wide x 11. 5"d, condition: 8+, grill condition: 7.
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KLH Model 17
# 62064
(1 Pair) Grills, press board frame, dark brown gold specked cloth weave, some rips and tears, value is in the frames and good enough look to work, it's a little used, shabby/sheek look of vintage speaker, condition # 7
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Advent 10" woofer
# 62076
For large Advent, Masonite frame/version, refoamed as original, roll is not as big but woofer tunes correctly,utilizes slightly different/shallow surround, ribbed cone, square magnet, purple grey look cone, black dust cap, sweep tested, possibly for use with Velodyne sub woofer, condition: #9 (similar cosmetic match driver listing 57704)
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Marabuchi DC 12V Motor MHI-5R2CDH 5572592
# 62081
Complete with wires and C1568-8/ regulator mounted on exterior. Salvaged from a used Hitachi D-220 which had seen some use, but motor works, seems to be good. #7
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Sony RM-D250
# 62092
Basic CD player remote, will control many Sony CD players, direct access for track selection, used, excellent condition, condition # 9
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Marantz Model 2015 Stereophonic Receiver
# 62095
Vol/bass/treble/balance/tape mon/mono/loudness/muting controls, AM/FM/phono/tape/aux inputs, main/remote speakers, basic service, FM alignment, cleaned, some scuffs, scratches on faceplate, otherwise nice condition, works well, condition: 8+.
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OUT OF STATE CUSTOMERS:
Contact us if you are interested in purchasing an item.
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Pioneer TX-9100
# 62097
Stereo Tuner with seperate level controls for headphones, AM, and FM. Pulse noise, MPX noise filter, muting level switches. FM aligned, cleaned, basic service, tested. Unit is in excellent condition, has seen very low use time, bulbs all work perfectly, meters work great, very clean unit. #9+ condition
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Technics SL-23
# 62098
Belt drive turntable, w/ owner's manual, 33/45, pitch control, auto return, auto shut off, installed new audio technica AT92 w/ 311 eliptical stylus, good condition, dust cover, in tact, no cracks, minor swirls, condition: 8+
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Lafayette LR-2020A
# 62100
Basic, high quality 2 channel vintage receiver, silver faceplate, 20 watts/channel, AM/FM tuner, phono, aux, tape monitor, loudness, hi-filter, stereo/mono switch, NR adaptor loop for EQ/noise reduction unit, speaker switch A, B, A + B, headphones jack, very well done design, quality switches, very good condition, condition: 9.
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Pioneer CT-S605 Cassette Recorder
# 62105
Single Deck, 2 motor transport design, Dolby B,C HX Pro, MPX filter, Adjustable record bias, Headphone Jack w/volume control. Fluorescent display, digital tape counter. Serviced, cleaned and calibrated. Manufactured with Hi quality components / great build quality. #9 condition.
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Behringer CS100 Compressor/ Sustainer Pedal
# 62130
Good basic pedal, with 4 knobs- Level, Tone, Attack & Sustain. New #10 condition. (hard copy MIA)
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ART USB Mix 4
# 62157
4 channel mixer w/ USB interface, inputs: XLR balanced/ 1/4" combo jack, channel 1 + 2 inputs, 1/8" balanced (aux), 1/4" balanced/unbalanced/main mix out, 1/8" + 1/4" TRS stereo - phones/monitor out, 1/4" TRS stereo - stereo out
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Digitech STUDIO QUAD v2
# 62161
Super quality, 4 channels of configurable effects, pitch, shifting reverb with endless combinations and nice easy view display with lots of programing. Minor back scratches. #9
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JBL M115-8A 15" Woofer
# 62167
Refurb cone bend, acceptable as modest use PA woofer, condition # 7
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Thorens TD-115 Belt Drive Turntable
# 62178
2 speed 33/45, pitch control, auto pickup, THorens isotrack tonearm, 2 piece wand-TP70 w/ signet cart (good condition), dustcover shows use, scuffs, scratches, 8" crack down middle, missing left hinge that holds tension spring, belt is ok, new RCA connectors, table has seen low use, condition # 8
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Adcom GTP-500 II
# 62179
AM/FM Preamp (Preamp with built in Tuner). NO REMOTE. 6 db gain change at output circuit. Low noise for headphone out. Used excellent condition, modified unit for better nicer range on volume control. #9 condition
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We have been selling and repairing professional and consumer audio equipment for over 40 years. (Read some of our customers testimonials here)
We keep our database up to date with over 10,000 items in stock.
If you see a part number and a price, we have that item in stock.
Customers outside of the US, please note that international shipping can be costly (US Post $24 minimum - up to 8oz or 226g).

We are glad to combine orders to reduce shipping costs.

Take a look at our shipping policies for more information and estimates of prices and shipping time.
RiverTone 2400DE
# 62184
(1) Stylus for Stanton 500 series (after market replacement). Diamond elliptical, excellent #9 condition with little to no use
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Kenwood KT-7300 AM-FM Stereo Tuner
# 62189
MPX Filter, Muting, Tested, cleaned controls, resoldered, FM alignment and fidelity. Great condition, with original box & packing, clean face date, meters, bulbs all working well, there is some very minor rust pitting on AM antennae bracket. #9
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Stanton D5100E
# 62190
Stylus for 500/700 Series, Black with red rectangle. Original Stanton stylus! New - Used 1x for test #9+ condition
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Pioneer PL-518
# 62192
Very nice Stunning example of vintage Pioneer TT. Direct Drive, Automatic return only, 33/45, Speed adjustment (pitch). Silver/gray base, clear dust cover. Has used pickering X-15 cartridge on it that is in OK condition. Better cartridge can be installed upon request. #9 condition
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Onkyo Integra A-8190
# 62193
Integrated stereo amplifier. 100 watts /8 ohm. 6 Stereo Line In's + Phono MM/ MC Complete shop service; cleaning and calibration. VERY LOW USE, Well made unit , #8+ condition
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Sony STR-6065
# 62195
Silver face receiver. Aux, Phono, and Tape in. Back lit tuning meter. Very "Tubaphonic" sound character. Can add wire for improved AM at antennae terminal. Wooden case is missing vent. Fully serviced, excellent FM, low use machine. #8- condition due to wear factor but electronically excellent!
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Tascam 38
# 62200
Motor and board EM1450. Can be used in Pioneer RT909 and many others. The board may require pully or resistor changes for speed. Tested, low use #9 condition
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JVC TD-R611
# 62209
Stereo cassette deck. Single deck machine, one of the best accurate auto reverve. Black face with LED display, Dolby B-C NR HX Pro. All standard functions, auto reverse/playback, balance control, direction, etc. Digital peak display and 4 digit electronic counter. Very good cosmetic condition. #9 condition
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Onkyo dx-C340
# 62215
6 disk CD changer. Functions: Random play, repeat, skip ahead and back. 5 disk continuous play. NO REMOTE. Used good #9 condition
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Linn Sondek LP-12 with Ittok LV II Tonearm & ASAK MM Cart.
# 62216
A classic Hi End Belt Drive Turntable , this unit has had shop service, lubrication and set up for correct operation. Replaced some power supply caps to improve filtering & regulation (is OK , but could use new belt) Very good condition #9 wood base design, Excellent Dust cover & Spectacular sounding MM Cartridge with Good channel separation ! . Bonus: includes add on Q-up end of play arm lifter .
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We know you have many options for purchasing audio equipment and parts, and we truly appreciate your business.
We strive to offer good products at competitive prices.
While we can't always match the prices of one isolated reseller, we make up for it by carefully selecting, testing, and finding unique and special rare parts, and we are here for the long run.
We guarantee everything we sell and we hope it helps you to enjoy a great listening experience.
Phase Linear 2000
# 62240
Nice, basic preamp, EQ, updated with TL075 op amp for tone controls (lower distortion, noise), did 250pf and 18k resistors on all input jacks for RFI protection, did 50pf RFI protection on phono input, revised more correct grounding for phono input, updated power supply capacitors and improved grounding, nice face, not original bass controls, # 8 + condition
SOLD
Phase linear 200 solid state amplifier
# 62242
Meter range 0db/-10db, velocity feedback rear panel switches. LED front panel peak responding meters for channels A, B. Cleaned, tested resoldered on 1/17/18. 1 speaker jack tab replaced. Faceplate, cosmetics look great, LED meters fully functional, unit has seen very low use, good condition. Faceplate snapped off from interior plastic braces, glued, repaired, looks good. #9 (original box and packing)
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Sony TC-D5M Carry Case
# 62254
Black, Vinyl leather, Some wear around edges, Used - good condition, Virtually new, Condition #9
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Teac V-400X
# 62256
Stereo Cassette deck, Very good machine. All electronic controls/logic. Left + Right Mic inputs. 1/4" Phones jack Timer Play/Rec/Off. 26 segment peak LED meters. Unit has punch in record capability, nice quality vintage cassette, silver, with large peak meters. EJECT SPRING TO RELEASE DOOR NON FUNCTIONAL - PULL ON TAPE TO OPEN - GEAR DRIVE DOES MAKE SOME NOISE. Used good condition, Complete calibration. #9 condition
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Onkyo TX-4500 MK II
# 62257
Silver face, 65 watts per channel, 2 Phono inputs and Rec/play tape inputs - all RCA. Analog tuning and signal meter with upgraded red LED backlights. Replaced indicator lights with LEDS. Fully serviced, excellent cosmetics. #9 condition
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M Audio AV-40 2 way
# 62272
Pair of desktop powered speakers, gloss black color, 9"H X 5 9/16"W x 7 1/4"d, 5" woofer, 1" dome tweeter, 1/4" phone jack input, line RCA input, on/off bass boost switch, ruggedized aux in connector, excellent condition, condition: 9.
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Electro-Harmonix Super Ego +
# 62285
Multi-effects synth engine, foot pedal switch for mode, effect, bypass, controls: speed, gliss, dry, effect, attack, decay, rate, depth, threshold, layer, 9 volt power supply included, new, condition # 10
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Rotel RC-970BX
# 62303
Stereo Control Amplifier (preamp), black face, very simple layout, bass/treble, tone on/off, tuner/cd aux/tape 1/tape 2 inputs, tuner/cd/aux/tape 1/tape 2 REC out selectors, excellent condition, very clean, easy to use, 2 hairline scratches right hand corner
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Phase Linear 4000
# 62305
Autocorrelation preamplifier. Unit has seen extremely low use time. All controls switches board connectors cleaned corrected power supply per Phase Linear update, some IC sockets and best noise version op amp installed. Repaireds some RCA inputs and fortified them with glue. Replaced various capacitors anywhere in unit which measured off spec (about 20 caps changed). Install "star ground" modification to reduce noise and RFI ruggedize all board connectors auto corrector circuit. Spec of unit noise floor and channel matching is excellent! Tracks excellent +/-1db channel match!
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JBL 88plus
# 62306
(Pair) Vintage 2-way speakers. Original tweeters, swept tested ok. Original woofers #MDL 123A-1, swept tested ok. Tweeters foam diffraction rings deteriorated (rotten), mismatched tweeters (1 red ring, 1 black ring). Cabinets chipped veneer and slight swelling due to water damage. Grilles have foam missing on one one speaker, and the grill is warped and worn on the other. #8- condition. We can dismantle and ship individual parts (2 LE25 tweeters and 2 123A-1 woofers). Value is for the woofers and tweeters.
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If you see a part number and a price, we have that item in stock.
Customers outside of the US, please note that international shipping can be costly (US Post $24 minimum - up to 8oz or 226g).

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Pioneer SX-3400
# 62309
Nice, basic AM/FM stereo receiver, silver face in simulated walnut case (vinyl veneer), bass, treble, balance, FM mute, stereo/,mono switch, tape monitor input, phono, aux input, good condition, condition: 8.
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Tascam 388 Part # 52101750 Control PCB TP-547-T
# 62312
Complete board w/ mounting brackets + screws . Note: Mt brackets have slight corrosion around screw holes. Used, good #7 condition.
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Infinity
# 62317
Pair of EMIT tweeters, 4. 5" round grey plate, part #902-5023 65599 J5ITNL (TONEGAN made), excellent EMIT tweeters, samarian cobalt magnets, sweep tested ok 2. 5khz - 10khz, 3" c-c screws (horizontal), 4" c-c screws (vertical), excellent condition, condition: #9. $32 each.
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Infinity RS6B 3 way speakers
# 62324
Pair of 8" woofer, 1. 5" dome midrange, EMIT tweeter. Professional refoamed woofer, tweeter tests excellently, REV 3 crossover to improve midrange, bass tuned deeper, extra damping. Nice looking oak cabinets. Speaker is slightly forward voice sounding (can be altered if desired). Condition #8+, Grills condition: #8.
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Panasonic SL-PD 349
# 62329
5 disc cd player, cleaned and calibrated, plays all discs well, black cosmetic orange display, narrow 14" wide design, NO REMOTE, some scuffs on top bezel, otherwise nice condition, condition: 8+
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Denon DVD- 1930ci
# 62338
Single Disk DVD Player. Black, Plays everything SACD, mp3 and wma. HDMI out (and 5. 1 RCA out) component out. Left/Right audio out RCA and digital, coaxial and optical out. Appears low use, tests all good, Local sale only, #8 condition.
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Technics RS-TR232
# 62343
Double cassette deck. 1 side play 1 direction, 2nd side REC/PLAY, Auto Reverse. Calibrated, basic maintenance performed. Machine has very low use time. Condition: 9.
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Kef 103.2
# 62360
Vintage 2 way speakers, Teak cabinets black knit grills. Original 1"soft dome tweeters-sweep tested OK. Original 8-inch Bextrene woofers re-set and aligned for best axis & height also internal felt cone dampeners. Audiopro modified x-over design rev. IV, and improved cabinet damping. More natural voice & fuller bass. Nice balanced and pleasant listening speaker. #8+ condition
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Sapphire SBL
# 62363
(1 pair) 2 way bookshelf speakers. 1" Dome tweeter (Sapphire blue), 6" Aluminum Cone w/ Butyl surrounds. Black wood grain vinyl 14" H x 7" W x 10. 75" D. Note: 1 speaker woofer cone has small dents. Sweep tested all drivers. Very nice voicing, good natural bass, treble is slightly forward. Good condition - used with small minor scuffs on cabinets. #9- condition
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Oberheim DMX
# 4247
Drum Machine, Tunabe Drum Function, 1/4 Phone in/out clock instruments, Cassette in/out mini tack, 18 drum hit pads.
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We know you have many options for purchasing audio equipment and parts, and we truly appreciate your business.
We strive to offer good products at competitive prices.
While we can't always match the prices of one isolated reseller, we make up for it by carefully selecting, testing, and finding unique and special rare parts, and we are here for the long run.
We guarantee everything we sell and we hope it helps you to enjoy a great listening experience.
Teac 8x4 S Series
# 6549
8 x 4 mixing board, cleaned all controls and switches, fully tested all fucntions, cleaned exterior.
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Fisher #50 C-4
# 6637
Tube mono, w/manual - 78 equalizer.
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Scott Stereomaster 233
# 7657
Vintage.
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Gemini MX-5400SE
# 7923
Mixer - cleaned and serviced
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360 Systems MIDI Bass
# 8222
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Sequential Circuits "Drumtracks" Machine
# 8315
Sequential Circuits Drum Machine
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Deltalab DL-5 Harmonicomputer
# 8328
Weird 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.
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Peavey Bass Mark VI
# 8741
Bass Amplifier, good cosmetic and mechanical shape.
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SAE P102
# 9224
Stereo preamp, programmable tone settings, 2 rack space, re-enforced all ground connections on RCA jacks and cleaned and serviced, excellent condition
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Rockman Sustainer
# 9306
Replaced 4053 buffer chip, repaired broken lands due to mounting screw too long, checked and okd all functions, this unit must be mounted to rack shelf with short 1/4" screws, price is for a pair.
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Re: International Shipping: We ship internationally often and have yet to encounter a problem or complaint. We are very careful to test the equipment before it’s 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. PLEASE NOTE THAT SHIPPING INTERNATIONALLY WILL BE A MINIMUM OF $24 EVEN FOR SMALL PARTS.
Rockman Chorus-Delay
# 9308
SOLD.
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Soundholm 3104
# 9449
Graphic EQ, tested, cleaned.
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Sumo Athena Preamp
# 9763
Total discreet class A circuits throughout, shielded transformer, high quality level control and switch $800 for complete Sumo System, Polaris amp, Athena Preamp, and Aurora Tuner
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Boss DC3
# 10157
Foot Pedal.
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Rocktron S212
# 12478
12x2 line level mixer, Box Packaging Manual, cleaned serviced tested, excellent condition.
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Sony ECM-989 Stereo Mic
# 12978
Nice condition, warm, forward sound, 0-150 deg patt, case, shock, w/complete kit $500 in 80s.
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Knight 6L6 Tube Amp
# 13098
Vintage
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Korg WT-12 Chromatic Tuner
# 13236
For all scales/octaves, nice ergonomics, runs on batteries, calibration check
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Ibanez PC 40
# 13244
Preset controller, 3 pitch adjustable presets, 3 more presets. Possibly works with and/or designed for use with Ibanez HD 1000/1500
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Fostex 8 in Line Mix
# 13522
8 input + 2 input + fold back output, 1 rack space unit, nice function unit. Unit in excellent low use condition. Level controllable, 8 channel RCA in, stereo out with pan controls, perfect as 1 rack monitor bus mixer for Tascam or Fostex 8-tracks. Actually, a few exist with or without rack ears. I have these units in storage (fully cleaned, bagged and boxed up) so no pics at this time. Units are cleaned and serviced, low use hours, rack version $30 more. Unit also has 2 phone jacks in with mix controls, plus headphone jack with level control.
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If you are having trouble finding parts, enter the name into our search bar at the top of the page. Please be aware there is a minimum $4-$6 to ship any part. International orders will be $24-$26 to ship for anything larger than an envelope. Shipping costs are non negotiable, so please, PLEASE do not ask for a part, or for us to search for, or quantify a part if you cannot pay for the shipping.
Lexicon 93
# 13536
Stereo delay.
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Pioneer RC-760A w/CU560
# 14009
Remote control center unit
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Racal-Dana 9300
# 14072
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ADA D1280 FS2
# 14079
Remote controller, 2 switch featuring Bypass/repeat-hold, excellent cosmetic shape
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Fluke Digital 8100A
# 14081
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Sansui AX-7
# 14153
Audio Mixer (consumer audio), 4 inputs, 1/4 phone(front), all rear connectors RCA
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Akai ME20A
# 14155
MIDI arpeggiator, rack mount 1 space, good cosmetic condition
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ADA PitchTraq
# 14220
Programmable 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 jacks
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Sundholm 2103
# 14231
2-channel, 1 rack-space, good cosmetically, +/- Octave Bands, 3-notch filters(50-500Hz, 400-4KHz, 1K-10KHz), XLR & 1/4" I/O graphic output and notch input
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Rocktron Prochorus
# 14241
1 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!
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We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 or email us at sales@audioproz.com to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.
Nikko Beta 50
# 14480
Preamp - Stereo, modified (PS, headphone, regulator stage, tone control for better signal to noise), unit in excellent condition
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Pioneer SP-101
# 14701
Synthesized surround sound processor, Cosmetics Very good. Two channels: Front - synthesized frequency (LEDs 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.
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Furman LC-X
# 14702
Expander/Compressor/Limiter, 1 space rack mount, Front: attack and release time, expand threshold and ratio, compress threshold and ratio, output gain, ouput limit, output level/gainreduction LEDs, de-ess switch; New w/Manual & Warranty
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Roland PM-16
# 14708
Pad/Midi interface, table top unit, 8 pads + Bank pad, good cosmetic condition except for deep gouge on top.
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Boss BF2
# 14772
Flanger foot pedal, good condition, very quiet
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ADA Digital Delay 2.56i
# 14833
Modified-call us for details, all analog controls to control digital delay parameters, good cosmetic condition
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Audio Control Calibration Mic
# 14919
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DBX 124
# 15359
Basic DBX noise reduction system
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Roland MPU-101 MIDI->CV interface
# 15421
Midi to CV converter for controlling analog synths via midi
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Westinghouse Walkie Talkies
# 15424
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Re: International Shipping: We ship internationally often and have yet to encounter a problem or complaint. We are very careful to test the equipment before it’s 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. PLEASE NOTE THAT SHIPPING INTERNATIONALLY WILL BE A MINIMUM OF $24 EVEN FOR SMALL PARTS.
Rane SM26
# 15671
6 in 6 out mixer with pan control master level in/out, 2 extra inputs , all phone jack in/outs
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ADA DS-4 PitchTrack controller
# 15837
New with cable
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DBX 128
# 15952
Double DBX, model 118 compander/expander (infinite compansion to 2:1 expansion), DBX II noise reduction for cassette or reel to reel
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Mutron Wah/Volume pedal
# 16034
Super Low noise volume/wah pedal
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DBX 263A
# 16100
De-Esser with rack ears
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Heath Kit Analyzer A1308
# 16295
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Audio Logic X23
# 16323
Very high-accuracy, well-built machine. XLR I/O, 2 way stereo, no manual or power cord. As new. **New Low Price!**
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Morley SSVP Swivel Stereo Volume Pan
# 16486
High impedance Volume level L/R Pan, was new used as demo, rare
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ADA MXR Deltalab ADM-STL Footswitch
# 16526
Factory Second, In Box and packing, 4 programs, bypass and repeat switches
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Missing Link Active Direct Box
# 16559
Acive direct box, made in USA
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Re: International Shipping: We ship internationally often and have yet to encounter a problem or complaint. We are very careful to test the equipment before it’s 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. PLEASE NOTE THAT SHIPPING INTERNATIONALLY WILL BE A MINIMUM OF $24 EVEN FOR SMALL PARTS.
Ashly XR22E
# 16685
160 to 8K x-ver zone, all input and output levels, 12 db per octave, recently cleaned and serviced. Stereo 2-way
SOLD
Shure SM81
# 16837
Small capsule condensor mic, switchable freq. Response
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Audio Technica AT4462
# 16848
Stereo field production mixer, 6 xlr input, 48v phantom power, batteries or power supply, shoulder strap. Box packaging owners manual, mint condition - $1395 retail
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Korg DVP-1
# 16851
Digital 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.
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Orban 622B
# 16889
4 band parametric Eq, modified PS, cleaned and calibrated
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