Audio Proz Service and Sales


Tascam 388 PCB 52101739-02 power supply board

Audio Proz Inv #: 61744

Updated power supply with bypass caps. Slight variation exist and some updates can be done to improve board. But all PCB will replace and operate OK. #8

$ 148  Contact Us  

Akai GX-270D 2 Headstack Erase head

Audio Proz Inv #: 71707

Tape Deck Head, side by side for reverse/forward operation, #9 Condition

$ 148  Contact Us  

Tascam 388 Power Supply 52101739-02

Audio Proz Inv #: 64178

Updated power supply with bypass caps. Tascam P.S. mod done. Good caps. Later version. Condition #9

$ 148  Contact Us  

Otari MR1L motor

Audio Proz Inv #: 56685

MX-5050 series unit. SN: 06276. With metal mounting plate. Like new, #9 condition.

$ 140  Contact Us  

Tascam 80-8 Record/play channel card

Audio Proz Inv #: 52784

 #6050 2663, TP - N17DS. Fully cleaned, tested, pre-calibrated, and burned in, but customer will be required to tweak in calibration for specific machine. Relays have been cleaned. Buy with confidence. We like to support this product. 8 available. Condition: 8+

$ 138  Contact Us  


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.


Tascam 388 Reel Motor

Audio Proz Inv #: 70979

2 available, reel motor, 53700057-00, DC 24v 5w ccw, cw, known high use but test good, clean contacts, condition 8. 

$ 138  Contact Us  

Otari 5050 B-2 HD

Audio Proz Inv #: 61785

#PB 9A 482D Complete board. Audio Pre Amps, Rec/Play. With color coded jumper wires left intact was known. Tested good, but may need small repair or clean of switches. #9 condition

$ 128  Contact Us  

Tascam 38

Audio Proz Inv #: 62203

Motor servo and logic board #5210073802. Guaranteed tested working. The board has minor hairline crack at edge where no board foils are. Wire connector left intact, wire leads left as short indicator loads. #8+ condition 

$ 128  Contact Us  

Tascam MS-16 1" pinch roller

Audio Proz Inv #: 46162

Excellent condition.

$ 120  Contact Us  

Tascam 8516 1" pinch roller

Audio Proz Inv #: 46161

Very good #8 condition.

$ 120  Contact Us  

Pioneer RT-909 Playback Preamp Board

Audio Proz Inv #: 70568

RWF-088B. Color code leads left on board. Mic in jack. Known tested quiet. #9 condition.

$ 118  Contact Us  


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.


Tascam 388 Capstan Motor

Audio Proz Inv #: 70634

NM01 Micro motor. #9 Condition. (Vince personal part)

$ 118  Contact Us  

Tascam 388 DBX PCB Board

Audio Proz Inv #: 70607

52101770-01 Known Good! #9 Condition. (Note: these boards do come in slight variations of color)

$ 114  Contact Us  

Akai GX-77 Playback Head

Audio Proz Inv #: 56153

1 A 9. P4-500. 90% wear life left. Has original mounting bracket, springs, screws. Same as in GX-747. Low use. Salvage from working unit. 9/10 condition.

$ 110  Contact Us  

Akai GX-77 Record Head

Audio Proz Inv #: 56152

7 A 11. R4-242. 80% wear life left. Slight tape path wear. Has original mounting bracket, screws, springs. Salvage from working unit. 8/10 condition.

$ 110  Contact Us  

Teac, Pioneer

Audio Proz Inv #: 62258

2 TRACK (1/4 Inch) Rec head for possible use with Pioneer, TEAC, and Technics. 16.5 ohm impedance #9+ condition, like new! Has Base plate for use of 2 screws very typical of japanese Reel to Reel heads

$ 110  Contact Us  

Tascam 48 supply side flutter roller

Audio Proz Inv #: 44351

Supply side flutter roller. Bearing/Roller and cap. Excellent #9 condition.

$ 108  Contact Us  


We leave "SOLD" items on our website for machines that we often repair and provide parts for. This is to give you an idea of the products we typically carry, and direct you to alternatives you may not know about - we often have substitutes for out-of-stock parts, and are happy to recommend workarounds and different solutions to common problems.


Teac play head 50664590

Audio Proz Inv #: 47082

 4 track play head Three pieces available. For A3340, 3440S, and other similar models. Price is for individual head. New old stock

$ 108  Contact Us  

Teac 4tr record/play head #5378301400

Audio Proz Inv #: 51566

from Model 44. Excellent condition, head is repolished.

$ 108  Contact Us  

Tascam 388

Audio Proz Inv #: 52474

DBX PCB board  52101770-01, pulled from a good working unit, (1 for Vinc), Note: these boards do exist in slight various colors. condition #9

$ 104  Contact Us  

Pioneer RT-701

Audio Proz Inv #: 55704

Function Play, rewind etc. complete board, relays etc. RWS-051, CMK-60Y, RNP-342, color wires attached. Low use, condition: 9

$ 100  Contact Us  

Rod Stewart "Every Picture Tells A Story" Mercury M609

Audio Proz Inv #: 72024

Ampex 4-Track 7 1/2 IPS stereo, reel and label good condition, cosmetically pristine, previously taped shut, tape shows virtually no run time, Good condition, Condition #9

$ 100  Contact Us  

Akai RC-19 remote control

Audio Proz Inv #: 57239

For all models which use an 11 pin round connector. 12 foot cable; does reverse and all standard functions. Stop button is missing cosmetic "cap" but works fine. Remote has minor wear. Condition: 8+

$ 98  Contact Us  


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.


Otari 5050

Audio Proz Inv #: 52634

play head, #IG07F, 1/2 track stereo, 1/4 inch tape, 80% good head, condition 8+ (can be lapped perfect if need be for additional $33)

$ 98  Contact Us  

Tascam 38 control PCB-136 #5210073300

Audio Proz Inv #: 50959

(TP-547-T), complete board with wire harness, mounting plate, heat sink, and four mounting screws. Excellent condition.

$ 98  Contact Us