Audio Proz Service and Sales


Otari MX-5050 B2

Audio Proz Inv #: 50882

Function button housing frame for edit speed etc #9 condition

$ 14  Contact Us  

Otari MX-5050 B2

Audio Proz Inv #: 50873

Control knobs for mic and line for input controls and output channel 1 and channel 2, #9 condition, black (2) control knobs. All for $14!

$ 14  Contact Us  

Otari MX-5050 B2

Audio Proz Inv #: 50881

Ass'y no. PB78IA #PB9A504A read carefully, head block, erase rec play, mono heads, with 2 track playback head and P.B. head switch #8 condition, 20% head wear

SOLD  Contact Us  

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Otari MX-5050 4SD regulator transistor

Audio Proz Inv #: 51242

S1-3250E, 2SA748.

$ 12  Contact Us  

Otari MX-5050 20k output control pot

Audio Proz Inv #: 46757

20Kohm, A. Excellent condition.

$ 14  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.


Otari MX-5050 20k control pot

Audio Proz Inv #: 46756

Linear control potentiometer. Excellent condition. 20kA

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Otari MX-5050

Audio Proz Inv #: 62208

(pair) Swivel mounting plates with locking swivel knobs. Allows deck to be tilted in stand or rack, and locked into position.Used, #9 condition.

$ 48  Contact Us  

Otari MX-5050

Audio Proz Inv #: 71419

Top grill with metal frame. Grey with slots. Condition 8+.

$ 32  Contact Us  

Otari MX 5050B II Pinch Roller

Audio Proz Inv #: 42113

1/4" pinch roller X50BO BII, Inner brass bearing, Aluminum core, 1 1/2cm thick, 3.9cm diameter , new mint #10 condition.

$ 66  Contact Us  

Otari MX 5050 tape guide tension arm

Audio Proz Inv #: 51238

2.25" long, black stem, excellent condition. Please show us a picture of what you need when requesting parts.

$ 16  Contact Us  

Otari MX 5050 Meter Board PB9A169A

Audio Proz Inv #: 51235

excellent condition.

$ 18  Contact Us  


All Remotes are now 25% off or Free Shipping!!!  (Reel to Reel remotes excluded).


Otari MX 5050 Biii meter board PB9A483A

Audio Proz Inv #: 51236

excellent condition.

$ 18  Contact Us  

Otari MX 5050 Biii logic board PB-4RNA

Audio Proz Inv #: 51237

PB-4RNA, PB-9B647A, very good condition.

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Otari MX 5050 Biii counter face window

Audio Proz Inv #: 51234

excellent condition.

SOLD  Contact Us  

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Otari MX 5050 Bii pitch control and LED

Audio Proz Inv #: 51224

M 500 ohm, B. Excellent condition.

SOLD  Contact Us  

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Otari MX 5050 Bii LED counter board PB9A396A

Audio Proz Inv #: 51227

excellent condition.

$ 28  Contact Us  

Otari MX 5050 BII HD

Audio Proz Inv #: 52954

Memory/ reset control. Faceplate. Black 3 3/4" long.

$ 12  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.


Otari MX 5050 BII HD

Audio Proz Inv #: 51225

 logic board PB9A562A #PB-46R with 1-0012 IC. #9 condition, Salvage from working machine.

$ 68  Contact Us  

Otari MX 5050 Bii flutter tacho opto assembly

Audio Proz Inv #: 51228

Flutter, tacho roller, rubber and axle assembly, opto complete, excellent condition.

$ 48  Contact Us  

Otari MX 5050 Bii counter window

Audio Proz Inv #: 51229

excellent condition.

$ 14  Contact Us  

Otari MX 5050 Bii counter reset button

Audio Proz Inv #: 51226

excellent condition.

$ 24  Contact Us  

Otari MX 5050

Audio Proz Inv #: 61858

back panel without transformer, channel 1+2 XLR line outputs, channel 1 XLR line input, channel 1 XLR mic input, minor scratches but overall good condition, #8+

$ 28  Contact Us  

Otari MX 5050

Audio Proz Inv #: 62207

Side panel screw kit, complete, 8 screws (Hex head), 8 plastic washers, 8 rubber grommets (1 grommet cracked + broken), used good condition, #9

$ 22  Contact Us  


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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 MR1L motor

Audio Proz Inv #: 56685

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

$ 140  Contact Us  

Otari Motor MR1C012

Audio Proz Inv #: 56212

With brake, motor, cap, frame solenoid. Take up position right side.

$ 48  Contact Us