Audio Proz Service and Sales


Revox A77 Front supply guide roller

Audio Proz Inv #: 44774

with all washers.

$ 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 Recording Relay

Audio Proz Inv #: 44758

#1.077.715. Good #7 condition.

$ 24  Contact Us  

Revox A77 Oscillator

Audio Proz Inv #: 44757

#1.077.710. Good #7 condition.

$ 22  Contact Us  

Revox A77 Reproduction Amplifier

Audio Proz Inv #: 44756

#1.077.720. Good #8 condition. Two available.

$ 24  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.


Otari 5050 Mechanical Counter

Audio Proz Inv #: 44755

#7 condition.

$ 14  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 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  

Teac DX-8 noise reduction board

Audio Proz Inv #: 44752

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

$ 68  Contact Us  

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 #: 44750

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

$ 68  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 Motor Starter Capacitor

Audio Proz Inv #: 44748

5.5uf, 250 wv ac. #7 condition.

$ 14  Contact Us  

Otari 5050 Starm Arm Sensor Switch

Audio Proz Inv #: 44747

Good #7 condition.

$ 14  Contact Us  

Teac DX-8 power supply board

Audio Proz Inv #: 44746

Tested, in excellent #9 condition.

$ 68  Contact Us  

Otari 5050 reel motor

Audio Proz Inv #: 44745

Old version. Left side reel motor with brake band/solenoid. Good #7 condition.

$ 36  Contact Us  

Revox A77 Reel Motor

Audio Proz Inv #: 44734

Reel motor only.

$ 24  Contact Us  

Revox A77 Motor Servo Board

Audio Proz Inv #: 44732

#1.077.725.01.

$ 34  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 Reel Motor

Audio Proz Inv #: 44731

Reel motor only.

$ 24  Contact Us  

Revox A77 part #1.077.540-01

Audio Proz Inv #: 44730

Early version.

$ 34  Contact Us  

Teac wooden side panels

Audio Proz Inv #: 44582

Two wooden side panels for TEAC machine, is missing wood trim on left board face, chips missing in right side board,A3440 series. Measure 6.75"x20". #7 condition with some very minor dings at corners.

$ 40  Contact Us  

Akai X-1810D Parts Deck

Audio Proz Inv #: 44480

Whole machine available (needs basic servicing) for $160. Ready to strip for parts: - case $22 - headcover $22 - heads $24 - pinch roller $30 - reel table $24 - and much more, all in excellent #9 condition.

Contact Us  Contact Us  

Akai GX-290D parts

Audio Proz Inv #: 44421

Many parts available, including motor ($30), head cover ($24), transformer ($15), idler ($24), and heads. Please call for specifics or other parts!

Contact Us  Contact Us  

7" empty plastic reels

Audio Proz Inv #: 44416

7" empty reels. Worn used but good, $1.50. Many available. Like new plastic light reel, 9+ condition, $3. Nice used reel, 7-8 condition, $2. Heavy plastic quality used reel, 8+ condition, $3. New white box, $1.

Contact Us  Contact Us  


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.


Tascam 48 cap and spacer

Audio Proz Inv #: 44353

Aluminum cap and spacer to mount pinch roller. Excellent condition #9+

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Tascam 48 head cover

Audio Proz Inv #: 44352

Excellent condition.

$ 68  Contact Us