Audio Proz Service and Sales


Carver A-500X

Audio Proz Inv #: 72392

High power amplifier 19" rack mount handles, 250/watts/channel 8 ohm, High quality Capacitors, double sided boards, input level control (L+R), Stereo/mono switch, vintage style watt meters (switchable range) Truly an excellent design, double sided circuit boards, dual power supply, runs cool, modified power switch with double contacts, cleaned all controls and switches, calibration bias set, minor scratches on cover, Condition #9

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Carver M-1.5t

Audio Proz Inv #: 55483

1200 Watts demand responsive amp. Left/right RCA inputs. Banana post outputs. Fault indicator LED. Left/right power level LEDs on face. Brushed grey finish with rack loops. Later improved version "rev d" boards. Virtually unused. Fully serviced. Has original box + packing + manual. 9+ condition.

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Carver M-500t

Audio Proz Inv #: 43228

Power amplifier. Excellent #9 condition, professionally cleaned, serviced, and tested. RCA inputs, one set of speaker outputs, very nice output meters.

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Carver TFM-6CB

Audio Proz Inv #: 63813

Power Amplifier. Black faceplate, 65 watts per channel, left and right volume control. Extremely well made audiophile grade Japanese amplifier. (2 sets banana outs) (RCA IN's and LINE OUT)#9 very good condition 

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Crate GX-65

Audio Proz Inv #: 43064

2 channels each with equalization controls, Reverb, Shape control on lead channel, 1/4" FX send, Phone output for external speakers, Nice thick overdrive for face-melting distortion, this amp wants to shred. #9 condition. (A.P. Guitar folder)

$ 160  Contact Us  


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


Crate Limo TX50DB

Audio Proz Inv #: 57175

Battery powered amp with car or power supply (provided) charging. XLR and phone inputs; pole mount capable; multi channel with EQ and reverb, echo, chorus DSP. Amp has new battery, weatherproof treated cone, ruggedized power supply, and cabinet dampening.

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Crate Stealth-50 GT-50

Audio Proz Inv #: 60360

With 16ohm Clestion Vintage 30 speaker, impedance speaker matching switch gives different tone qualities. Spring reverb. 4 6V6 Amplifier, excellent, 4 new Sovtek 6V6 tubes installed, 2 channel IN, multiband EQ, FX send loop, footswitch. 8/10 condition cleaned, calibrated, major super-ruggedization, doubled upon grounds, tested reverb/speaker. new fuse holder.

$ 348  Contact Us  

Crate Taxi TX-30

Audio Proz Inv #: 55897

Battery powered combo amp. 2 inputs/2 channels- ch1 level/ tone controls ch2 gain/low/mid/high/level controls, 1/4 inch insert/phones jack. Brand new battery. Has charger. Can also run off 12 volt power supply. AP dampened cabinet, nicer sound, Audio Pro Modified for more natural sound, but forward voice, Upgrade speaker supplied upon request.. 8" driver 2" tweeter. Unit has seen low use time, all Tolex covers are nice. 9 condition

$ 288  Contact Us  

Crown D150

Audio Proz Inv #: 27050

Older version all repaired updates done fresh capacitors in audio circuits and power supply. Unit has cosmetic damage on side of face plate, no rack ears, excellent performing condition

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Crown DC-300A Series III

Audio Proz Inv #: 63797

Power amplifier, gain controls for both channel 1 and 2, black faceplate. 2 space rack mount. Low use #8- condition, but cosmetic rust on back on screws. 

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Crown DC300A

Audio Proz Inv #: 45469

4RU rackmount power amplifier. Channels 1 and 2 level controls on front panel, quarter inch audio inputs and banana terminal speaker outputs on back panel. Very good #8 condition with some minor nicks and scratches and one original knob has minor chip in edge. Professionally cleaned and serviced; AudioPro power supply upgrade with all new capacitors.

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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.


Crown Powerline Two

Audio Proz Inv #: 58562

PL-2. 2 Level adjuster. Output monitor jack. RCA input. Face plate is good condition but rack handels have obvious scratches. Complete service. Unit in low, 8 condition.

$ 300  Contact Us  

Crown XLS 2500

Audio Proz Inv #: 61479

RCA ins don't work, all else functions OK, low use, #8 condition

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Dayton APA 150

Audio Proz Inv #: 56764

Audiophile grade 150 watt power amplifier that delivers 75 watts per channel. Very compact, discreet design. (This unit has been modified for quieter fan operation, also relay contacts have anti-arc gel in them, AC IEC input ruggidized, Gain of amp reduced 6db in level to work better & quieter). New.

$ 280  Contact Us  

Dayton Audio APA100 Stereo amplifier

Audio Proz Inv #: 60778

2-input 60 Watts per channel. A and B Speaker Selector, Auto sense of amp signal to turn on and off. Front panel volume and balance control (Easily up-gradable and comprehensive design.) #10 condition, new in box. 

$ 188  Contact Us  

Dayton SA70 Subwoofer Module

Audio Proz Inv #: 42313

45 watts RMS @ 8ohm, 70 watts RMS @ 4ohm. Built in crossover, live level and speaker level inputs, pass-thru speaker in/out, auto on/off switch. For speaker building. NEW STOCK with original box and packing.

$ 80  Contact Us  

DBX MPA 150

Audio Proz Inv #: 59606

Split spectrum amplifier. Very high quality design. Balance, level controls. Meter low pass. Subsonic filter. 4ohm/8ohm speaker selector. Built in speaker crossover and electronic crossover. Actually mono subwoofer, but for 2 speakers. Low use time. Condition: #9

$ 160  Contact Us  


Email Us or call (617) 926-8020 for more information about ADA modifications and repairs.


Dean Markley K-20BX

Audio Proz Inv #: 61548

gain, low mid, high mid, bass, treble, 1 × 8" Dean Markley vintage rock design speaker, cute little practice amp, good condition, few very minor marks, headphone jack currently does not null out speaker (would require rewiring), great student/practice model!, #8 condition

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Denon POA-2400

Audio Proz Inv #: 43673

Dual mono design. 150watt/channel, 250watt peak power. 2 speaker switch. High quality relay. Excellent #9 condition, very low use. Professionally cleaned and serviced with some board resoldering.

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Dynaco A70

Audio Proz Inv #: 49149

30watt per channel tube amp with recent set of EL34tubes and 7199 predrive tube. Unit has many updates done to improve reliability and fidelity. Shop engineering unit used to demonstrate updates of tubes. Good #7 cosmetic condition with obvious rust spots on chassis.

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Dynakit Stereo 70

Audio Proz Inv #: 61109

With nice condition cage. It is a functional machine with very low use. Cheaper but good, functioning tubes for outputs (Sylvania EL34) with one spare high quality AR4 rectifier (new). *Rough cosmetic condition. Rusty chassis and transformer. Unit needs a serious clean up of cosmetics. Stereo switch removed. Tube sockets good & tight. Both channels work. Full power check ok, operates well. Requires final bias set up, maybe some resolder work. SOLD AS IS. #7- condition.

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Fender LTB

Audio Proz Inv #: 59155

4 channel PA amp. 1/4" and XLR inputs, no phantom power, spring reverb, max 80W. Discrete amp circuit, very serviceable. 9/10 condition. Ruggedized board soldering and cleaned.

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Fender Princeton Chorus

Audio Proz Inv #: 56545

2 channel solid state amp. Channel 1 controls: Volume/Mid/Treble/Bass/Reverb; Channel 2 controls: Gain/Limiter/Presence/Volume. Features Chorus effect with rate and depth controls, and Mono/Stereo effects loops. Has original 2x10 drivers.

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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.


Fisher CA2420

Audio Proz Inv #: 42464

Aluminum silver face, extremely excellent built, integrated amp, well done Fisher equilizer, blue backlight, Meter 80 watts per channel, 5 band equilizer, 2 independent speakers, high quality phone in, 2 tape dubbing monitoring tuner/phone aux in, 2 headphone. Very thoroughly serviced. condition #9

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Fisher TX-50

Audio Proz Inv #: 56407

Integrated amp. Unit is totally intact. One channel has shorted output transistor & bad emitter resistor (nothing burned or any obvious problem, probably an easy repair). Face plate and connector all in excellent condition. Unit could be easily converted to class A preamp transistor.

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