Audio Proz Service and Sales


Akai GX220 and Others

Audio Proz Inv #: 55790

Glass ferrite, play head. 300OHM with bracket. Head has been special polished to operate at 90% original quality.Some minor recalibration of signal levels may be required. Glass ferrite is very difficult to restore but we use a special process of diamond polish paste and buffing pads which reduces friction on head surface (less oxide drop from tape). Please call us if you have inquiries about this service.

$ 88  Contact Us  

Otari 5050 B II

Audio Proz Inv #: 56209

Head cover flip up mech. with 2+4+ switch on top, right. NO TAPE CUTTING BLOCK. Minor scuffs around edges, needs a label removed. Some paint missing on top, easily re-paintable. 8/10 condition.

$ 88  Contact Us  

Tascam 48 power supply PCB 52101085

Audio Proz Inv #: 49156

Marked 52101085-00 TP-S47-T. Very good condition, with some corrosion. Known to have virtually no use time.

$ 88  Contact Us  

Otari MX5050 Bii reel table

Audio Proz Inv #: 49309

Metal reel platters for supply and takeup arm, $88 each. With bullet center spindle design. Excellent #9 condition.

$ 88  Contact Us  

Teac 4010s 4 head stack

Audio Proz Inv #: 50082

Play, record, erase, and reverse play heads, mounted in original shield chassis with wires intact. Very good condition.

$ 88  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.


Tascam 38 erase head 35783002

Audio Proz Inv #: 48807

Erase head for Tascam 38, 48, 58, with base platform. Excellent condition.

$ 88  Contact Us  

Otari MX-5050 Mini Pro

Audio Proz Inv #: 50143

Playback 2 track head, virtual new with hardware mounting platform, salvage #9

$ 88  Contact Us  

Tascam 38

Audio Proz Inv #: 50960

Power supply PCB-141 #5210073400 (TP-547-T) Complete board with heat sink and mounting bracket #9 condition

$ 88  Contact Us  

Teac X-1000R

Audio Proz Inv #: 51980

Front panel function push button assembly. With counter cables and connectors. #9

$ 88  Contact Us  

Otari MX-5050BIII PB9B643

Audio Proz Inv #: 51233

Rront panel board  Complete assembly with face, buttons, wire harness. Front panel function switches, pitch, and power. #9+ condition.

$ 88  Contact Us  

Revox A-77

Audio Proz Inv #: 51088

Capstan motor with tacho, black square black motor, yellow tacho - tacho attached to unit, capstan 3 3/4 and 7 1/2 ips #8+ condition minor wear

$ 88  Contact Us  


FYI, Around the database you will often see us describe the condition of units on a scale of 1-10. #10 would mean the product is new from one of our suppliers, such as Behringer, Audio Technica, etc. #9 means the product is in perfect condition but is used, #8 implies there are some minor cosmetic scratches but unit is mechanically perfect, and so on and so forth.


Revox A-77

Audio Proz Inv #: 51631

022 Model record 2 track head, head was 70% good and is correctly recapped #8

$ 88  Contact Us  

Teac record head #53783006

Audio Proz Inv #: 51695

4tr, 2ch, record. New.

$ 88  Contact Us  

Teac A-1200 play head

Audio Proz Inv #: 62008

(2) play heads #66904, 1/4 track, A-1200 series decks, new, unused, will work in 2300 & 3300 series TEAC models, condition #10, $88ea

$ 88  Contact Us  

Revox A77 Record Head #042

Audio Proz Inv #: 51859

1/4 track stereo. With brass rear mounting screw and shield. Used, relapped, in very good condition.

$ 88  Contact Us  

Teac record head 50667200

Audio Proz Inv #: 51896

4T 2CH record head, high density Ferrite, 1/4 track stereo. New old stock!

$ 88  Contact Us  

Teac 2300S

Audio Proz Inv #: 56466

Complete, mech head assembly with Record, Playback and Erase heads. Heads in 75% + good condition can easily be lapped, obvious little spots, easy to drop in place assembly, very minor scuff on edge. 7 condition.

$ 88  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.


Teac RC-407 Remote

Audio Proz Inv #: 56900

11 pin remote control unit. Like new, #9 condition.

$ 88  Contact Us  

TEAC TZ-610

Audio Proz Inv #: 60386

unknown model. This NAB hub (10 inch) adapter was designed for pro reel to reel tables to fit onto bullet type spindle when locking metal reel. Only fits older TEAC will not fit OTARI. Heavy duty look, fits only TEAC 8/10 condition

$ 88  Contact Us  

8 track calibration tape

Audio Proz Inv #: 56891

speed 1khz 0db level from count 0 to 600, 1khz square wave at -5db 600 to end of tape, (square wave is an excellent, fast way to head alignment) about 5 minutes of test tones on Ampex archival quality tape on balanced reel

$ 88  Contact Us  

8 track 1/2" calibration tape on quality balanced reel

Audio Proz Inv #: 56890

NAB reference 250 NW on ampex archival tape, test tone sweeps 1khz to 14khz, about 10 sweeps of frequencies 0db output if played on Tascam 38 +- 15db accuracy, meters will read 0db and output level will be 0db on professional meter on 0dbv scale, about 5 minutes of tape

$ 88  Contact Us  

8 track 1/2" calibration tape

Audio Proz Inv #: 56889

on quality balanced reel, NAB reference, 250 NW level test tone sweep 1k to 14khz, if tape played on properly calibrated Tascam 38, meters will read 0db w/ 0db output on pro meter 0dbv scale about 10 sweeps of frequencies, 5 minutes of tape

$ 88  Contact Us  

Teac 1200 series

Audio Proz Inv #: 61890

1/2 track head, playback, #66805. Used, Excellent condition #9+ condition

$ 88  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.


Pioneer RT-909 Digital Timer Board

Audio Proz Inv #: 70559

Pioneer RT-909 Digital Timer Board. RWX-336, RNP-613. Good #9 condition. 

$ 88  Contact Us  

Pioneer RT-909 Power Transformer on Bracket

Audio Proz Inv #: 70564

RWX-341-0, RTT-178. 115 volt. Salvage tested good. #9 Condition. 

$ 88  Contact Us