Audio Proz Service and Sales


Yamaha CA-800 Amplifier

Audio Proz Inv #: 54289

Yamaha CA-800 Amplifier, 1 channel has major failure. Natural sound stereo amplifier, 2 aux in, tuner in, 2 phono in, mic in, A,B,A+B Speaker selector, tape selector, tone defeat switches normal, Class A operation selector, high filter, low filter, silver face. Shorted output on left channel, good face, knobs or for repair.

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Kenwood Basic M2A FL Driver Board X25-2470-10A/2

Audio Proz Inv #: 57495

Complete board with cut wire lead. Condition: 9

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Pioneer Spec 4

Audio Proz Inv #: 52547

Intact but in #7 condition. Parts available: (2) meters-$48 ea, (1) face with handles-, minor obvious scratches  (Call for pricing) (1) good amp board-$200, (2) filter caps-$30 ea, (2) Rear "bumpers"  (SOLD). 

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ADA Microtube 200

Audio Proz Inv #: 43733

Power amp. Parts unit. Contact us about repair, parts, or replacement.


Vince has noted that although this was a clever and interesting product,
the problem is this unit suffered some very simple but problematic design flaws back then and Vince has always modified them to be reliable.

*This is not a recommended product unless someone like Vince knows how to resolve these issues*

We have better options if you would like to call. 

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AR Amplifier parts

Audio Proz Inv #: 45161

We have many AR amplifier parts available, including transformers, capacitors, knobs... Board #EC1-B (Supply and Regulator), AR Controls Board, 2981-0 amplifier board. Please contact us for information. It will help if you can supply pictures of the parts desired. Parts generally cost between $8 and $20 each.

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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.


BGW 500 and 750 parts

Audio Proz Inv #: 45149

We have many parts available for BGW amplifiers 750, Heatsink: $20, 2N 3773 $6 each, SJ7394  $6 each, only these listed parts are available. Circuit boards # 9007-0750  with original parts and transistors appear to test good, board has no damage visible $58 each.

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Lectrosonics Maxi Mouse

Audio Proz Inv #: 55478

Main PCB assembly. Controls, switches, jacks. Silver and blackface faceplates. Available for various parts. Call (617)926-8020 for availability of specific parts.

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Hafler 500

Audio Proz Inv #: 55473

Bad solder joints and corrosion inside of machine. Right channel has failure - possible predriver. Low level caps need to be replaced. Fuse holders unsecured. Most mosfets good. Cosmetically OK, minor scratches/corrosion. Unit sold as is for parts. Call (617)926-8020.

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Luxman TCQ0065 DML-2 module

Audio Proz Inv #: 47583

11 pins on open circuit board. This is the original substitute module supplied by Luxman. New old stock, two pieces available.

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Hafler DH-220

Audio Proz Inv #: 53593

Stereo Amplifier. Good cosmetics, mechanical condition. One channel bad, strange problem but board in tact. 1 Channel perfect. #7 Condition.

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Lectrosonics Maxi Mouse various parts

Audio Proz Inv #: 48560

R1379229 dual 100k control $16, R1379238 10k control $8, 3-position switch $6, amp IC TDA2002 $6. Other parts may be available.

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Need your guitar or bass amp tuned up? We are now doing repairs, upgrades, and modifications to all types of guitar amps. Orange, Mesa Boogie, Fender, Marshall, Hughes and Kettner, Peavey, Ampeg, Gibson, Silvertone, etc. Read more about it here


various types of capacitors

Audio Proz Inv #: 48623

We can supply many types/values of capacitors. 2200uf 80wv Nichicon $4, 1000uf 50v ELNA $3, 2000uf 100v ELNA $8, 10000uf 63v Nippon Chemicon $14, 6800uf 80wi Daewoo $6. Many types, some new, some salvaged and tested for vintage Pioneer, Marantz, Kenwood, Sansui, etc. Call directly for specific values.

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KLH Model 11 power cord

Audio Proz Inv #: 49924

2-prong AC cord (white) 5/16" pin spacing (read listing carefully KLH made 4 variations of AC cords)#8 condition. (2) available

*** Unfortunately 3 prong connector version is not available presently.***    It's the rarest one. Try a hardware store, sometimes by luck it can be found there, but three variations of these exist and it must match your unit. If you get desperate to get it running, we will install / adapt another cord. We can do service on these machines.  COULD NOT FIND PAPERWORK

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Scott Stereomaster LK-60

Audio Proz Inv #: 50412

Good, intact unit for hobbyist use, in need of replacement capacitors.

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GAS Meters

Audio Proz Inv #: 57942

5 inch by 4 inch, meters have obvious light scratches, windows could be exchanged. #7+ $32 each.

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KLH Model 11 2-prong AC cord

Audio Proz Inv #: 49868

5/16" spacing between pins on input to unit. Black color cable. Excellent condition. (Read listing carefully KLH made 4 variations of AC cords) Please show us a picture of your AC connector to guarantee proper fit replacement. M.P.W.

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Towa Electrolytic Capacitor MLS-Z CE33B 15000uF

Audio Proz Inv #: 51634

80v power supply capacitor, screw post mounting (1+1/8" c to c), 2.5"w x 3+1/8"h. 1987 production, excellent condition, two pieces available. Parts Sold Paperwork not found

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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.


Sansui QRX-3000

Audio Proz Inv #: 58286

AMP boards F-1358, 2 channel module, Repaired tested bias set, 2 available $68. Other boards, controls, knobs ect. available, CALL. Case cover scratching on side #7 $20.

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SVI 3206

Audio Proz Inv #: 60848

Power module. From Technics SA-GX505. Condition #9

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Yamaha M-80

Audio Proz Inv #: 61513

Meter and meter board with switches and I.C. bulb, minor scratches but otherwise good cosmetic condition, #8

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Yamaha M-80

Audio Proz Inv #: 61687

(3 pcs.) speaker terminals, priced as 42.00 each, (1 pc.) pair broken but good for red, black terminal tops, priced as 12.00 each, salvage, good condition, #8+

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Yamaha M-80 face plate

Audio Proz Inv #: 61668

face plate only, has small scrapes/scratches on the left hand edge, can be sanded out, includes push buttons (power, auto class A, peak hold, range 2, 4, 8 Ω load), good condition, #8+

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Kenwood L-07M II

Audio Proz Inv #: 63924

Many of these amps available, Intact but all have problems, some bad amp circuits, caps, transistors on plug in driver board.  Most have OK output transistors. #6 condition.

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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.


Marantz wood cabinet 1030

Audio Proz Inv #: 61481

fits 1060 amp series + tuners (105), walnut veneer, has many obvious scratches but appears to be repairable with skim sanding and refinish, but will probably still show slight scuffs, #7 condition

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Technics SA-DX1050

Audio Proz Inv #: 62685

Has failed RSN 310R37 amp I.C. All other parts OK. call for parts, RSN 313H23 ($30)must be salvaged. Low use unit but needs repair. #7 condition.

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