Audio Proz Service and Sales


Teac DX-8 noise reduction board

Audio Proz Inv #: 44751

Part #60502881. Excellent #9 condition, tested and working.

$ 68  Contact Us  

Teac DX-8 noise reduction board

Audio Proz Inv #: 44752

Part #60502881. Excellent #9 condition, tested and working correctly.

$ 68  Contact Us  

Otari 5050 transformer

Audio Proz Inv #: 44753

Old version Transformer #ET-11-186. Good #8 condition--leads are cut short but are still usable.

$ 30  Contact Us  

Revox A77 input amplifier

Audio Proz Inv #: 44754

#1.0773.700. #6 condition with repairable crack in board.

$ 14  Contact Us  

Otari 5050 Mechanical Counter

Audio Proz Inv #: 44755

#7 condition.

$ 14  Contact Us  


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.


Revox A77 Reproduction Amplifier

Audio Proz Inv #: 44756

#1.077.720. Good #8 condition. Two available.

$ 24  Contact Us  

Revox A77 Oscillator

Audio Proz Inv #: 44757

#1.077.710. Good #7 condition.

$ 22  Contact Us  

Revox A77 Recording Relay

Audio Proz Inv #: 44758

#1.077.715. Good #7 condition.

$ 24  Contact Us  

Revox A77 Main Board

Audio Proz Inv #: 44772

Original part. Main Board from a Revox A77. board # 1.077.435-01. Early version.

$ 30  Contact Us  

Revox A77 Front supply guide roller

Audio Proz Inv #: 44774

with all washers.

$ 24  Contact Us  

Revox A77 Relay Board

Audio Proz Inv #: 44777

#1.077.370-01 early version relay board. Very good #8 condition. Full populated board with relays is $54; or $36 for board with all components but no relays. The relays may need some cleaning to be done by the customer.

$ 36  Contact Us  


We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

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.


Revox A77 Front Tape Guide

Audio Proz Inv #: 44782

Front tape guide with screw. 1" size.

$ 14  Contact Us  

Revox A77 Pinch roller

Audio Proz Inv #: 44783

With arm. Good #7 condition.

$ 30  Contact Us  

Revox A77 Record Head

Audio Proz Inv #: 44785

75% good.

$ 30  Contact Us  

Revox A77 transformer

Audio Proz Inv #: 44786

For early version Revox A77 machine. With voltage taps for 150, 220, 130, 250, 110, and 240 volts. Original wire lengths. #7 condition, tested and good.

$ 48  Contact Us  

Revox A77 Capstan Motor

Audio Proz Inv #: 44787

Black square edge rotor with mounting plate. 3.75 or 7.5 speed axle. Good #7 condition.

$ 28  Contact Us  

Revox A77 Headphone Jacks

Audio Proz Inv #: 44788

Original part. headphone jacks from a Revox A77. Early version. #7 condition. Three available.

$ 10  Contact Us  


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.


Revox A77 Bottom Cover Shield

Audio Proz Inv #: 44789

Original part. Bottom cover shield from a Revox A77. Early Version. #7 condition.

$ 12  Contact Us  

Fostex A-4 parts

Audio Proz Inv #: 44811

Excellent condition reel to reel machine with no reel motors or hub clamps. Many excellent, like new parts available including: - heads $38 - case $14 - pinch roller $20 - knobs $10 - much more

Contact Us  Contact Us  

Teac 3340s knob kit

Audio Proz Inv #: 44830

Complete knob kit, includes all in/out level knobs in very good #8+ condition. Older version knob, black chrome tops.

$ 24  Contact Us  

Teac 3340s timer board

Audio Proz Inv #: 44836

#51670560 and #50483322 available, Condition #8+. $10 each.

$ 10  Contact Us  

Revox A77 Counter

Audio Proz Inv #: 44841

Original part, with 2 large white gear to gear driven version better design. Mechanical counter from a Revox A77. #8 condition.

$ 38  Contact Us  

Teac 3340s Chassis

Audio Proz Inv #: 44842

 Good for boards, controls, and cover. #8 condition. Check our other listings for more parts or call us directly at 617-926-8020.

Contact Us  Contact Us  


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.


Akai boards

Audio Proz Inv #: 44859

We have many, many parts and boards for Akai reel to reels, including LF5023: $40, KD-A5009:SOLD, LF5026:$18, LF5022:SOLD, LD3141:SOLD, input connector board, KD-A5004:$24, LF5024:$42, KD-A1002:$36, KD-A5003:$30, function play switches, remote connector:$12, reel tables:$26, reel brake hubs:$14, 100KOHM AX2 CONTROLS:$12, tension arms, 24XO-MR motors, counter mechanics, and many more. Most boards and parts cost about $12 to $48 each and usually include shipping. We will dismantle this unit and set prices, the MS-5022 is the most rare and demanded board and can get $88. However check the little IC# you require and we may have it as a separately listed part. 

Contact Us  Contact Us  

Teac AC power cord - for A3300 & A2300 series

Audio Proz Inv #: 44929

Grey power cord, standard fit. Used, in #8 condition.

$ 22  Contact Us