Audio Proz Service and Sales


Kenwood KR-V6070

Audio Proz Inv #: 62565

Very well done rugged design, nice look, black, modern. 60 watt per channel. Does older style surround DOLBY logic but excellent HIFI. Amp has better quality relays, better amp circuit desing, and a better tuner. 3 tape in/outs, Phono in, and Aux in. Low use condition with basic servicing. #9 condition

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Sony STR-6065

Audio Proz Inv #: 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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Onkyo TX-4500 MK II

Audio Proz Inv #: 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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Marantz 2216B

Audio Proz Inv #: 62662

Basic nice analog design, Really 30 watt design. Aux, 2 tapes, and Phono in. 2 speakers, excellent FM. All new bulbs, nice blue LED dial, all aligned cleaned, low use unit. #9 condition

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Pioneer SX-750

Audio Proz Inv #: 62574

AM/FM Stereo Receiver, 50 watts per channel. Tape 1/Tape 2, Phono, Aux/Mic input. Low use unit, some caps replaced on power supply/Amp board. Nice large silver analog tuner. Fully serviced and FM alignment/Calibration.#8 condition (some cabinet wear.) Needs to be repaired before sale - Please contact us before purchase

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We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.


Nakamichi TA-3A

Audio Proz Inv #: 62569

High definition AM/FM Tuner Amplifier. With remote model #RM-3TA. (2)Tape loop (1)phono, CD, +(2) more stereo line level inputs. Main in/Pre out. Fully serviced #9+ condition (No Hard copy- unit probably sold)

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Pioneer SX-680

Audio Proz Inv #: 62852

AM/FM Stereo receiver, 40 watts. A and B speaker output. Phono, Aux, Tape 1 and 2 inputs. A very nice sounding vintage silver face pioneer from classic years!  Fully serviced, FM calibration, bias set, allgrounds resoldered. Excellent low use condition, cabinet has some peeling of veneer on edges/ rear corner #9- condition

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Yamaha CR-620

Audio Proz Inv #: 64241

Vintage Silver Face AM/FM Stereo Receiver, 35 Watts @ 8 ohms, Walnut look cabinet, Phono, tuner, Aux, (2) tape loops.  Variable Loudness,  Low use unit, virtually no run time, only needed to replace the meter bulb. Basic, complete service, clean cal adjust, All functions OK. #9 condition

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Yamaha RX-V470

Audio Proz Inv #: 70113

1 Phono, 1 line in, 1 CD in, 1 Laser Disc in, 2 VCR/Cassette loops, Digital sound field processor, Front speakers A+B, center, rear L&R, RCA sub woofer out, Actually very high quality machine, Low use, Nice look, Needs top cover, No remote, Condition #8

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Teac AG-790

Audio Proz Inv #: 63306

AM/FM 50 watt Stereo receiver, Black faceplate, basic function. Aux, Tape, CD, Tuner, and Phono inputs (Quiet). Better build amp design, very well done. Low use #9- condition, fully serviced, excellent condition, with minor dent on top cover

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Harmon Kardon 230A

Audio Proz Inv #: 62806

AM/FM Receiver. Nice sounding Vintage excellent FM sound. Phono, Tape/aux inputs. Switchable voltage 117/235 volt for overseas use. Used good #9 condition. All serviced and calibrated, with a thick tubaphonic sound! 

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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 $14-$16 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.


Pioneer SX-650

Audio Proz Inv #: 63288

Stereo receiver, Silver faceplate in nice condition, 35 watts per channel. Phono, Aux, Tape 1 and 2 inputs. The power switch has been built onto back panel, speaker select switch for no longer works for power! Modified power supply, upgraded relay, RFI suppression caps added to inputs, FM alignment. Condition is #8 due to non original power switch. Extremely low use machine

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Kenwood KS4000R

Audio Proz Inv #: 63362

Very basic but well done design. Phono, 2 Tapes, Mic mix. Excellent FM. Low noise Phono. Walnut look face, Silver face plate that uses no bulbs. #9 condition

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Sony STR AV570

Audio Proz Inv #: 63475

Basic modern simple receiver. Nice display, phono, 3 inputs, 2 non independent speaker outputs. 40 watts per channel, good tuner, lots of FM presets. #8 condition 

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Yamaha RX-360

Audio Proz Inv #: 63861

Basic high quality AM/FM Receiver. Inputs: Aux, Tuner, CD + Phono, Bass, Treble, balance controls. Variable loudness control, Black face - digital readout orange (17" x 5.5" x 12") 40 station presets. Good #8+ condition, minor wear on Face. Serviced, excellent unit!

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Onkyo TX 8210

Audio Proz Inv #: 64097

Nice basic stereo receiver with digital display. 48 watts/channel.  Black with Green display. Phono , 2 tape and CD inputs. Very easy to use. With Onkyo remote control. Serviced - Basic maintenance Low use unit. # 9 condition

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Marantz SR-68U

Audio Proz Inv #: 64122

Nice basic high quality 2 Channel stereo only unit. Audiophile quality amplifier with upgraded relay installed.  Phono, Aux, CD inputs. Tape monitor and Pre amp output. 2 speaker capacity. With remote control, volume and all other functions. Owners manual is supplied. Cleaned and calibrated #9 condition

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We offer expert time-saving advice on repairing many types of home and studio equipment, as well as consulting for product and recording issues, at a fair and reasonable cost.  For complex matters, we sometimes must charge a small technical fee.  If we can help solve your repair problem or technical conundrum, give us a call.  (617)926-8020.


Fisher 500C FM Stereo Receiver

Audio Proz Inv #: 63237

Vintage All Tube unit, All original Tubes. Pre Amp tubes look good, Output tubes are aged, show some wear, but still have life left in them. The tuner locks stereo , but the dial cord was broken and repaired improperly (by consumer) the dial pointer is not on correct station indication and will not travel the complete scale. It would need to re-strung and aligned for proper FM operation.  Knob cap on BASS control slight mismatch color. "naked" unit, no metal or wood case #8 condition

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AIWA CX-LMIOU

Audio Proz Inv #: 64040

Nice COMPACT STEREO SYSTEM, SINGLE DISK PLAYER and SINGLE CASSETTE DECK. with original small speakers, (Can be mated up with many different small speakers/ upgrade) . Cassette new belts, low use. Unit has seen modest use time. #8

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onkyo HT-R330

Audio Proz Inv #: 63661

Nice older basic surround design. Super easy to hook up. High quality audio AMP or use as powerful stereo processor only. all function with knobs and buttons on face, remotes possible available. No phono, 6 RCA audio input , easy to add on phono pre amp.

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Yamaha RX-595

Audio Proz Inv #: 64266

Black Face, Excellent Product / Top quality audiophile design, 80 watt per channel, better quality relay, 2 tape loops, 2 line in, 1 phono,  Cleaned, and bench tested all OK.  (with Aeros program remote). #9 condition.


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Sangean WR-2

Audio Proz Inv #: 63576

AM-FM RDS Digital Tuning Table Radio, Black Lacquer 10 Memory Preset Stations (5 FM, 5 AM) Easy to Read LCD Display,Digital Tuning System, Clock and Alarm (Radio / Buzzer), Adjustable Sleep Timer / Snooze Function,  3" 7W Full Range Speaker, External AM Antenna Terminal. I/O Jacks: AC-In, DC-In, Aux-In, REC-Out, Headphone and FM F Type Antenna Terminal  (no remote)  #9 condition


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Fisher 400

Audio Proz Inv #: 64176

Vintage all Tube 9+ Condition!, This unit has seen very low use time, All tubes good-excellent, all tubes have complete uncooked lettering, all RCA tight, output tubes 7678 are good, Dial lights good, FM has been very meticulous alignment, works excellent, +40db channel separator, tube sockets are in near mint condition, most tube pins and sockets cleaned, all capacitors checked - perfect no hum all warm fast, missing knob caps, possibly the best tube receiver condition #9

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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.

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.


Denon AVR-3806

Audio Proz Inv #: 63363

AV Surround receiver, black faceplate, digital display - HDMI, phono, CD, tape, 5 more line inputs, surround inputs, with remote #RC-1024, 2 HDMI in/1 HDMI out, Fully serviced, very good condition (9)

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Yamaha Natural Sound RX-A840

Audio Proz Inv #: 63632

Surround sound w/ extra zone 2 outs, Black face, HDMI, RCA & component I/O + optical inputs, USB input (USB out power only) - Total 7 HDMI ins & 6 AV ins, 2 HDMI outs (1 ARC out), antenna - AM+FM, WiFi and Air Play connectivity, virtually no use, With Genesis programmed remote. Condition #9

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