Audio Proz Service and Sales


Rocktron Rampage R10 Amp

Audio Proz Inv #: 57679

10 watts, 6" speaker. Unit has low use time. Features headphone jack and overdrive effect; overdrive has been modified to be less aggressive with lower noise. Condition: 9

$ 48  Contact Us  

Hafler P-225

Audio Proz Inv #: 57707

Pro version DH 220 amp with level controls. XLR inputs, ground lift. Later version amp with high quality parts. Quasi Class A design, Mosfet output transistor. Minor scuffs on edges, spray paint top black. Unit has seen low time in consumer studio. condition #8-

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Onkyo M-501

Audio Proz Inv #: 57801

Basic, well designed. Like Adcom, Rotel, Audiophile. #9.

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Sonnance Sonamp 260 x 3

Audio Proz Inv #: 58548

Basic 60 watt, slim line, 3 speaker selector, auto on/off. Ruggedized circuit board. Basic service unit has low use time. 8+ condition.

$ 188  Contact Us  

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  


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


Alesis RA-100 100 watt amplifier

Audio Proz Inv #: 58602

Basic design. Audiophile quality. Level control. Basic mods to reduce RFI and hum noise in audio. 8/10 condition (minor cover scratches). With Box.

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Peavey Classic 20

Audio Proz Inv #: 58718

8" Speaker. All tube design. Unit has an easy to overdrive sound character. Tweed cover/skin. Nice for solo lead guitar! 8/10 condition overall. Circuitry in #9 condition. Tweed in #7 condition.

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Akai AM-32

Audio Proz Inv #: 59021

Stereo integrated amplifier AM-32. CD, phono, tuner, AUX, DAT/tape 2 inputs. Only 220V/50hz input. Updated to new 16 amp relay. Cleaned, lubed all switches, knobs, buttons. Ruggedized board soldering. 8+/10 condition, low use, minor scratches along top but in excellent condition.

$ 258  Contact Us  

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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Rocket fish kit RF WHT1B

Audio Proz Inv #: 59337

Simple add on to speaker wire and RF wireless jump to second receiver (AMP, with delay) time correction. OK product for small budged. Condition #9

$ 66  Contact Us  

Marantz PM7200

Audio Proz Inv #: 59594

Stereo integrated amp with remote. CD/ tuner/ Aux 1/2, phono, 2 tape loops, 1 processor loop, speaker pairs 1&2. 9+/10 condition, did ruggedize board solder, calibration, low use! In box with main packing. Black face, very clean ergonomics.

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APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.


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  

Scott A4001

Audio Proz Inv #: 59618

w/remote. 100 Watt. Audiophile grade. Amplifier design. Many inputs, but unit has ground jackets torn off Of RCA for AUX and video in. Low use/bargain unit Condition #7

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B&K ST 202 Power Amp

Audio Proz Inv #: 59740

Rackmount Face. Black color with bronze rack handles. Quasi Class A FET design. 100 Watts. New power switch. All cleaned, calibrated. Bias & DC offset OK. Ruggedized circuit board soldering. Minor scratches on some edges--nice low use machine. 8+

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Mitsubishi DA-A10

Audio Proz Inv #: 59763

Dual monaural construction. Stereo power amplifier. Back panel level control, 2 way speaker switch. New capacitors installed, including bypass capacitors. Good quality relays UPDATED. Nice condition, low use time. 9. We can do a capacitor rebuild on this model for $200-300.

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KLH A-351 Amplifier

Audio Proz Inv #: 60012

Nice basic slim line, silver. 48 watt. Led power indicators. Aux, tuner, phono (good), tape, copy (extra aux in). 2 speakers. Installed better fuse protection. Silver matching tuner available AP#60015. All cleaned and calibrated. 8+/10 condition.

$ 180  Contact Us  

Technics SE-9021K

Audio Proz Inv #: 60126

Rack Mount Amp, Meter, Minor little updates, caps, relays ect. 2 speaker. Double up powerswitch, Low use. Does 110,120,220,240 volts. #9 condition

$ 268  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


ART SLA-1

Audio Proz Inv #: 60156

100 watt, rack mount. Unit has quieter version fan by design. Bias, hum, noise is exceptionally low. Audiophile version spec. 10.

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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  

Peavey KB40

Audio Proz Inv #: 60364

New horn tweeter installed, combo amp for keys, has pre out / power amp in, internal limiter, discreet amp design, 2 way with 12 inch driver and horn for excellent presence, super loud crank, also eq patch in/out, unit could be altered easily with different eq, damped box, woofer cone, little dusty, light rust, low use time, very clean internals, #8+

$ 400  Contact Us  

Sharp SM-15

Audio Proz Inv #: 60368

Stereo Amplifier. 2 outs, Tape/Aux/Phono/Tuner in 2 band EQ, balance silver face, slim design. Headphone jack, nice simple rugged design, 25 watts. Resoldered back panel connections, #8+ condition.

$ 116  Contact Us  

Luxman L480

Audio Proz Inv #: 60446

Integrated amp. Unit has 2 tape source inputs. 2 dubbing inputs, 60 watts per channel, has moving magnet and moving coil cartridge inputs. Nice rosewood case. Tuner and auxiliary inputs. Pre amp in/out amp loop. Nice silver slimeline face. All switches and controls cleaned, updated speaker relay. #9+ condition.

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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  


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.


Sanyo JA 660-2

Audio Proz Inv #: 60544

Graphic EQ 5 band. Inputs: Phono/tuner/CD/TV/Tape monitor. 70 watts/channel. Actually an audiophile grade amp design. Tested, serviced, cleaned, working. Due to visible scratches on top cover condition #8.

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Mcintosh MC 2105

Audio Proz Inv #: 60607

Solid state power Amplifier. SN: AH4175. Luxury style power level meters (DB) for L+R channels, Stereo gain control and intuitive meter range selector. Fully serviced and tested, cleaned all controls/jacks 2 times. Replaced 2 low level transistors on preamp board for level controls. Cleaned board connectors. RCAs have typical oxidized look but function well. Unit specs out phenomenally, very low use time, noticeable crack on one corner of the faceplate, 1 inch in size. With all original box, packing, owners manual, factory harmonic distortion test graph. Cabinet can be made available. #8 condition

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