Audio Proz Service and Sales


Otari 5050 MKIII playback head

Audio Proz Inv #: 43594

8 track, 1 half inch record/play head. With mounting shell and platform. New stock.

$ 540  Contact Us  

Teac X-1000R head block assembly

Audio Proz Inv #: 51979

Complete head block assembly with six heads. Heads have about 20% wear with an excellent wear in pattern. It is a good idea to replace all heads at once if some heads are worn out. Very good condition.


Vince notes: The fact that these heads are worn in correctly is the reason why these heads are so valuable.

$ 440  Contact Us  

Tascam 48 record/play head 53783004

Audio Proz Inv #: 48808

Record/Play head for Tascam 38, 48, 58, with base and connector. Virtually no wear on head, never lapped, but with some bronze oxidation at head perimeter only. Head top, gap, etc have been buffed clean. Very good condition.

$ 375  Contact Us  

Tascam 58 record/play head 53783004

Audio Proz Inv #: 48811

Record/Play head for Tascam 38, 48, 58, with base and connector. Virtually no wear on head, never lapped, but with some bronze oxidation at head perimeter only. Head top, gap, etc have been buffed clean. Very good condition.

$ 375  Contact Us  

Teac 80-8 record/play head

Audio Proz Inv #: 43353

Excellent, like-new #9 condition. Record/Play head. Cutaway head. #50640811

$ 300  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.


Tascam 38 record/play head #53783004

Audio Proz Inv #: 51447

8track/8ch. Excellent condition, relapped head.

$ 240  Contact Us  

Tascam 38 record/play head #53783004

Audio Proz Inv #: 51448

8track/8ch head. Relapped head, very good condition.

$ 240  Contact Us  

Tascam 44 Meter Bridge

Audio Proz Inv #: 51410

Complete with five main boards, all mounted in one case 15"x7.5"x3.4". Includes #5296005500 four meters with peak indicators, #51675301 four rec/repro amp cards, and #51675310 connector board with all connectors and cables. All in excellent condition.

$ 240  Contact Us  

Otari 5050 BII 2 track head block

Audio Proz Inv #: 71962

complete (1/2 track) assembly includes switch board, 4 head, (1/4 track playback head is worn out) but 2 track (1/2 track)  play head is 85% good, as it was replaced at one time, 2 track (1/2 track ) record head is 70% good, and heads are in near perfect correct alignment

$ 240  Contact Us  

Tascam 38 8tr 8ch record and play head

Audio Proz Inv #: 46962

Part #53783004. Center. With allen screw, flat head screw, and one washer. 75% good.

$ 220  Contact Us  

Teac 3340s

Audio Proz Inv #: 59865

Record, Play Heads, Head stack, all 3 heads 80%+ good. Near path is excellent with cables and complete top plate as original. Latest version best heads also used in a 3340sA A33440 8+

$ 220  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 5050BII HD power supply board PB9A171C

Audio Proz Inv #: 50285

Salvaged from low use machine. Excellent condition #9 , with AP touch up work on board solder joints for better reliability.

$ 196  Contact Us  

Otari MX5050 PB-14ZB channel card

Audio Proz Inv #: 45468

PB-14ZB channel card board for Otari MX5050 MkIII-8. Excellent condition, tested good. (1) available. New low price! (Part not found)

$ 188  Contact Us  

Otari CR-705A

Audio Proz Inv #: 52914

remote control box, functions: record, play, stop, rewind and fast forward, 12 pin, has nicely done Otari extended cable of 24 feet, looks original, condition #9

$ 188  Contact Us  

Pioneer RT-909 Function Logic Board RWG-106F, RPN-618

Audio Proz Inv #: 70563

(Uses IC # AN6251)  Connector attached with tac switches. Tests good. #9 Condition. This board is rare to supply, so we have a repair exchange situation, send in your Logic board and we will supply a working one for the $112. If you do not have the board for some reason, to purchase the board outright is $188.

$ 188  Contact Us  

Tascam 388 Transport

Audio Proz Inv #: 71850

Control panel. Has all tape function buttons - stop, rec, FF, RW, etc. Tape counter. Complete with all buttons, pitch control, etc. Nice clean, but one minor small spot on face. Condition 8+

$ 180  Contact Us  

Tascam 48 motor

Audio Proz Inv #: 48816

Excellent condition, used with very low use time, axle has light tape shadow. Teac WEC-4, operation PCB, 5210108700.

$ 180  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.


Tascam 388 DBX PCB Card

Audio Proz Inv #: 71244

52101770-00, 2 available, these have add on wire modes, condition 9. $44 deduction from total price if customer sends in their board as a core unit (we will probably fix and resell later)

$ 168  Contact Us  

Teac A-2300 SX Head Stack

Audio Proz Inv #: 55682

Complete assembly block. Erase Record, Play. Color coded wires all attached. Head stack has nice alignment. 85% good or better. Nice wear paths. 8+/10 condition.

$ 168  Contact Us  

Tascam 388 Reel Servo Board

Audio Proz Inv #: 70622

Part #: 52101740-01 #9 Condition. 

$ 168  Contact Us  

Tascam 388 Rec/Play PCB

Audio Proz Inv #: 71266

52101769-00, 2 available, version with wire update (TASCAM) add-on. This is a normal Teac manufacture standard design of a board of this version. It's an early version board and slightly rare. Board works the same as later versions. Condition 8. $44 deduction from total price if customer sends in their board as a core unit (we will probably fix and resell later)

$ 168  Contact Us  

Tascam 388

Audio Proz Inv #: 52449

bias PC board, #52101771-02, complete board, pulled from working unit, good #9 condition  (Sold but possible others available)

$ 160  Contact Us  

Tascam 44 #51675260 power supply board

Audio Proz Inv #: 51414

Power supply and reel motor control board. Complete with mounting tray, screws, and DIN connector. Excellent condition.

$ 160  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 44 logic control board #5167525101

Audio Proz Inv #: 51411

Includes function/logic control part #5167525101, transport keys/boards #511700, and all connectors and mounting hardware. Easily slips right into unit. Excellent condition.

$ 160  Contact Us  

Teac 4track 4channel Record/Play head

Audio Proz Inv #: 43331

#5378301400. New

$ 158  Contact Us