Audio Proz Service and Sales


Crown XLS 2500

Audio Proz Inv #: 61479

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

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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 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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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 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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Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs.

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.


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  

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 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 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  

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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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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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.


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 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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Cambridge Audio Azur 340A

Audio Proz Inv #: 44472

Integrated amplifier with remote. RCA ins for aux, CD, tuner, DVD, and AV/MD. Tape monitor loop, bass and treble tone controls, two speaker sets, and balance control. Excellent #9 condition with very minor scratches on cover.

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Cambridge audio A300

Audio Proz Inv #: 60459

No phono in. Aux CD, Tuner, Aux. Nice Basic design. Black. Clean & calibrate. with box, #9 condition.

$ 188  Contact Us  

Bryston Stereo Amp 4B

Audio Proz Inv #: 43836

This unit can definitely be made functional, but it has some aged resistors that should be replaced. Please contact us for more information.

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Bogen DB20 Series Y-26

Audio Proz Inv #: 61437

Mono tube amplifier. loudness contour switch adjustable -30 db -0b bass, treble. Inputs: Tape, aux, radio LP: AES, NAB, RIAA. All controls clean and good! No leakage around filters caps, (recommended replacement  re-cap). Output tubes: Good, getting slightly hazed, but still has life! GE back plate 6L6 Slightly soft, All tube sockets should to be cleaned. 5U4G needs replacing to operate. Paint very good, nice cosmetics, (bottom scratched). Very well done mono tube and excellent noise floor less than 5 mV. #8+ condition.

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


Bogen CTS 1100

Audio Proz Inv #: 55341

Mono P.A. Amplifier. 5 mic or line inputs with auto compression. Uses SSM 2015 Mic precompressor IC. 4 to 16 ohm out or 25 volt or 70 volt wiring. 10 band EQ. RCA or balanced screw terminal for mic. Unit has seen low use all tested clean. Power light neon is flashy due to age. 8+/10 condition.

$ 280  Contact Us  

BGW 250C

Audio Proz Inv #: 52601

High quality circuit design, reliable, 4 space rack mount, later version production. #9. We can Repair/Service this model and similar amps. Call for more info. 617-926-8020

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Beringer Ultratone K900FX 90 WATT PA/Keyboard combo amp

Audio Proz Inv #: 61663

1 XLR mic/line input, 2 line (1/4") inputs. Graphic EQ, Many onboard reverb, delay, flange, phaser effects settings. No footswitch, 12k fader bulb is out otherwise great condition,  has been custom dampened for better bass clarity.(effects control works but knob needs fitting,) #8+ condition. 

$ 148  Contact Us  

Beringer Ultra Bass BX1800

Audio Proz Inv #: 61564

180 watt bass workstation, DX loop headphones jack, CD in RCA inputs, -6 db pad switch, 15" speaker with piezo tweeter in excellent condition, unit has some wear, marks, scuffs on tolex, few small tears, grill cloth in great shape, new power switch installed, interior is clean, sounds good, versatile amp, 7+ condition

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Behringer HA-4700 Powerplay Pro-XL

Audio Proz Inv #: 38800

Powerplay Pro XL 4 channel Headphone amp. More units are available

$ 110  Contact Us  

Behringer HA-4000

Audio Proz Inv #: 27522

High power headphone distribution amplifier w/ AC cord and manual - 1/4 inch balanced main ins and outs - 4 channels with 2 headphone outs/ch. (stereo) - FRONT PANEL: direct input and level control, left/right mute, mono switches, headphone out, aux in, mix control (aux-main) - channel level control

$ 150  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.


Behringer HA-4000

Audio Proz Inv #: 42424

Headphone distribution amp, 4 channels. Multiple patch points, very flexible unit. High power, capable of driving wide variety of studio headphones. Left, right, mute, mono switches. Fully inspected and cleaned. A higher quality and rugged original unit. Excellent, #9 condition. Manual included

$ 140  Contact Us  

Behringer GMx212

Audio Proz Inv #: 53822

2x12 combo amp. 2 channel with 24 bit display and tuner. Insert loop, slave in, line out phones, aux in, loudspeaker out. Jensen speakers USED. Very minor tolex tears, fixed broken effect knobs. 8+ Condition.

$ 162  Contact Us