Audio Proz Service and Sales


Denon STK 405-050A

Audio Proz Inv #: 60650

some use, test good, #8 condition

$ 22  Contact Us  

Crown, BGW (Not certain)

Audio Proz Inv #: 60526

Module C-1. 2" high. Tube socket 11 pins out. For compressor. May need capacitors replaced. Looks intact inside cannot be certain of operation. #8 condition

$ 22  Contact Us  

Luxman m-12

Audio Proz Inv #: 60288

Fuse holder for DC Stereo Power Amplifier. Original fuse holder with original washer and nut. Great condition, completely in tact. #9+ Condition.

$ 12  Contact Us  

Revox A77

Audio Proz Inv #: 60134

Recording Amplifier #1077 705. Missing two trimmers, salvage from previous board, good condition, might need cap change out, #8 condition.

$ 28  Contact Us  

Technic SE-C01

Audio Proz Inv #: 59626

Unit is intact. No obvious failures in amplifier except DC to DC. Converter appears failed. Good Unit to build 1 out of 2. Condition #7

$ 24  Contact Us  


We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

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.


Phase Linear 700B

Audio Proz Inv #: 59568

(2) Interior rotary switches $12. (1) power switch, probably for 700B $14. Please send pictures of your unit/parts to ensure a proper match!! 8+/10 condition, knob controls have typical slight oxidation.

Contact Us  Contact Us  

Marantz 3300 Model or 1200

Audio Proz Inv #: 58993

Volume control. 8 legs like original. 200K value will fit with 50K 100K or 250K use. 9+/10 condition (N.O.S unused).

$ 32  Contact Us  

Biamp 2500

Audio Proz Inv #: 58721

Parts for repair. 380004400 rev 8. AMP board only, intact low use and tested with switch. Output transistors listed 2SD746A, 2SB608A $28 each. 2 pieces or more to purchase 22 each.

$ 100  Contact Us  

(2) Mallory Type CGS 21000 MFD Positive+85C Biamp Capacitors

Audio Proz Inv #: 58693

For Biamp 2500, Max Surge 125VDC. 8/10 condition (known modestly used parts).

$ 28  Contact Us  

Bi-Amp 2500

Audio Proz Inv #: 58690

Rack Handles. 7+/10 condition. Obvious but minor scratches.

$ 20  Contact Us  

Phase Linear

Audio Proz Inv #: 58604

(3) Glass Bezel covers for Phase Linear VU Meters. Include a picture of your meter so we can match the cover to you!. 9/10 Very good condition.

$ 12  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.


Magnecord 420-04365 VU Meter

Audio Proz Inv #: 58603

420-04365 VU Meter. 8+/10 condition (minor wear on face).

$ 34  Contact Us  

SMK Snap Switch

Audio Proz Inv #: 58598

E-41337. 9/10 Condition.

$ 14  Contact Us  

Sansui 4300831

Audio Proz Inv #: 58523

8 OHM meter. 170 W Rated. 4 1/2 inch x 4 inch. 8-/10 condition (Was N.O.S but has 1/4in scratch in glass face below meter number area.

$ 48  Contact Us  

Phase Linear

Audio Proz Inv #: 58508

55 OHM. For Phase Linear 700B amp. 4 1/2 x 4 inch silver face. 8+/10 condition (very minor unnoticed scuff. Tested and used).

$ 44  Contact Us  

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.

Contact Us  Contact Us  

NAD 2140

Audio Proz Inv #: 58218

Unit requires major rework. Needs many capacitor replacements and an upgraded board regulator. Most important transistors OK. Face, mechanics OK. Worth transformers and output transitors. Needs service. 7 condition.

$ 48  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.


GAS Meters

Audio Proz Inv #: 57942

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

Contact Us  Contact Us  

Phase Linear 700 Meter

Audio Proz Inv #: 57883

For cosmetic use, very minor unnoticeable finger wear, old version silver scale, #7

Vince notes that 4 meter variations were used in this model, please show us a picture of your meter to see if we can match it.

$ 14  Contact Us  

Phase Linear 700B

Audio Proz Inv #: 57858

VU Meter, clean face. #8

SOLD  Contact Us  

Contact us about similar items or replacement parts.

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

Audio Proz Inv #: 57495

Complete board with cut wire lead. Condition: 9

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Pioneer SA-9100

Audio Proz Inv #: 57314

Balance control 200k ohm. Substitute for balance control, High quality ALPS. Detented, click increments. Cleaned, lubed, exercised. Requires new holes drilled. Easy to mount. #10 Condition (New).

$ 16  Contact Us  

Elan Fan 2

Audio Proz Inv #: 56062

Low speed, virtually silent dual cooling fan. Nice slim rack package. Condition: 9

$ 30  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.


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.

Contact Us  Contact Us  

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.

Contact Us  Contact Us