Audio Proz Service and Sales


Audio Research D-76 Tube Power Amplifier

Audio Proz Inv #: 72316

Comes with original instruction manual. Formerly cracked/ aged solder was repaired and ruggedized. All input connectors tightened and cleaned. Excellent, top quality transformers used in this unit. All tubes were pulled, pin connectors polished, cleaned and lubed with silicone. Tubes test excellently. New, 5 amp slow blow fuse put into unit. Beautiful, low use unit. Cosmetically and functionally excellent. Recently tested, cleaned and serviced. Cage cover does not currently fit over the top due to large tubes, tubes could be replaced with slightly smaller to fit cover. Some speaker terminals plastic shielding pieces cracked, will not affect units use in any way and are hidden by top cover when installed. #9 Condition.

$ 1600  Contact Us  

Marshall 9005

Audio Proz Inv #: 27842

4-space rack design Stereo power amp, full TUBE design, Audio Pro modified. Designed by Marshall the Guitar amp co. Dual EL 34, converted to home audio quality hifi amp. Ruggedized, fresh tubes, call for details.

$ 780  Contact Us  

Sherwood HP 1000 Integrated Amp

Audio Proz Inv #: 71830

Silver face with wood side panels unit in excellent cosmetic condition with fantastic build quality like phase linear and old school design. Front panel features: Phono LVL, L+R dB/Watt Meters with range attenuator, speaker selection-off/ARS/A/B/A+B, Mode switch-L/RSTR/Reverse/Mono, Bass/Treb/Mid/Vol/Loudness, Dubbing/Phono 1+2/Tuner/Aux 1+2/ Tape 1+2 Monitor/4-ch Adapter/High+Low Filter/Loudness contour/Tone Def/-20dB Mute, 1/4 " headphone, 1/4" Dub In/Out, 2 speaker system. In-outs on back panel to install EQ and other processors, 4 channel I/O, 6 AC outlets, 3SW/3 UNSW Modified updates to power supply, ac switch and amp module. New relay modified use RCA jumpers for connector/updated phone in-outs (RFI protection), lower noise IC. Completely cleaned and serviced by audio pro. #9 Condition 

$ 660  Contact Us  

Marantz 1060

Audio Proz Inv #: 70540

Vintage Silver Face Integrated Amp,  Unit has had most of the amp board and preamp board re-capped (with upgrade corrected values) Low use machine. very vintage silk finish fancier knobs installed , (pre/main RCA jumpers installed.) #8+ condition ( We like these units and offer complete service and upgrades contact us at 617-926-8020 or sales@audioproz.com for more information)

$ 588  Contact Us  

QSC PLX1202

Audio Proz Inv #: 33198

Lightweight switching pwr supply design, road case available, please inquire!

$ 550  Contact Us  


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


MR-1240 power amplifier SN 6139th

Audio Proz Inv #: 41463

12 channel - 6 zone - 35 watt per channel

$ 499  Contact Us  

QSC PLX1602

Audio Proz Inv #: 33200

Step-up rail voltage design for high powered use, actually not a modern digital amplifier, lightweight amp, very super reliable design, Condition #8 Low use rental

$ 480  Contact Us  

Yorkville AudioPro 3000

Audio Proz Inv #: 52178

450 watts per channel (600 watts at 4 ohm), double rack space unit 16" deep. Side fan. 1/4" and XLR inputs, banana outputs. As new, shop demo unit.

$ 480  Contact Us  

Luxman L-3

Audio Proz Inv #: 71696

Integrated Amp, Silver face, Champagne body and Knobs, has 1 phono, 1 tuner, 1 aux, 2 tape loops, low noise/better thermal stable differential transistors for amplifier board, RFI suppressor on phono in and other jacks. All cleaned and serviced, minor P.S. ground change for improved lower noise, #9 Condition

$ 480  Contact Us  

Mackie M2600

Audio Proz Inv #: 64087

Power amp. 850x2 @4 Ohms. 3 space rack mount. Selectable crossover, (60Hz,90Hz,120Hz) thru/output XLR. 1/4" and XLR inputs. Includes special hi current 20 amp AC cord. Speakon and Banana outputs. Low use unit cleaned and tested #9 condition.

$ 448  Contact Us  

QSC PLX-1202

Audio Proz Inv #: 33199

Lightweight, switching mode amplifier, 221b

$ 440  Contact Us  


OUT OF STATE CUSTOMERS:
Contact us if you are interested in purchasing an item.
We prefer PayPal payments.
We only ship to VERIFIED PayPal Addresses
For customers who do not have a PayPal account we also take Credit Card over the phone.

Please be aware that there is a minimum $4-$6 to ship any part.


QSC RMX1850HD

Audio Proz Inv #: 61450

2-Channel full-featured stereo power Amplifier; includes level controls, EQ and limiter switches on back panel, Speak-On cables, and banana plugs. Extremely low use amplifier (occasional rental)

$ 440  Contact Us  

QSC RMX 1850 HD

Audio Proz Inv #: 70731

Power ratings 350W - 8ohm, 600W - 4ohm, 900W - 2ohm, 1800W bridged 4 ohms. Barrier Strip, XLR and 1/4" input jacks. Speakon and binding post outputs. Has full features for bridging and soft limiting. Virtually no use time. Set proper bias and cleaned controls. Conditions #9.

$ 428  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  

Yorkville AP2020

Audio Proz Inv #: 61483

audiophile grade amplifier, super low noise, 2 rack space amp, old school super rugged design, level controls, bridging, function lights, XLR and phone in, Speakon output, low use, all checked, perfect, needs face clean, #9 condition

$ 400  Contact Us  

Adcom GFA-7400

Audio Proz Inv #: 70841

5 channel power amp. RCA inputs / channel. 5-way banana binding post speaker out. 12V DC trigger (on / off) input. Unit has minor problem - distortion LED front panel indicator light falsely lights, so was disconnected on channel 4. Amp has no problem. Test run is all perfect. Low use. Condition 9

$ 388  Contact Us  

GLI Pro GA-75

Audio Proz Inv #: 37353

Stereo power amp, 3-space w/VU meters. Awesome very well built high current 100 watt amp with meters and level controls, 2 speaker switches. *** Modified power supply, Improved upgrade audiophile grounding done***. 

$ 380  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


Scott Stereomaster LK-60

Audio Proz Inv #: 50414

Solid state stereo amplifiers Scott kit, Tape, Phono, Tuner, Aux, Input Selections, bass, treble, balance, controls, wood case #8+ unit all knobs nice, all phono, input caps and transistor upgraded, unit probably could be upgraded with new EQ board capacitor

$ 380  Contact Us  

Technics SE-9060 Power Amp

Audio Proz Inv #: 72677

2 space rack mount design, black bronze face, left and right level controls, 70 watt per channel @8 ohms. DC /low cut (12hz) switch, stereo/mono switch, 1/4" stereo headphone out. Audiopro serviced,  did basic board soldering and ruggedizing, updates and capacitor replacements on amp board and upgrade secondary level capacitors in power supply. # 9 condition                                                                                       

$ 380  Contact Us  

ART SLA- 2

Audio Proz Inv #: 62443

Stereo Power Amp, 200 watt per channel - Single rack space  Low noise, high current design, Modified with special internal shield for super low noise, also special bias check for stability. rear cooling fan, XLR & phone inputs. (fan can be made quieter) As new warranty with Original Box packing, (used 1-2 rental) #9-

$ 368  Contact Us  

Marantz MA 600 DC Amplifier

Audio Proz Inv #: 63694

Vintage Silver Face design, (2) Phono (1) Aux (1) tuner (2) tape loops 5 band EQ & defeat switch, LED power meters, Low use machine. Audio Pro - improved, power supply grounding. Hi Quality circuit design, Low use, all service done. #9 condition 

$ 360  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  

Onkyo A-10

Audio Proz Inv #: 55726

Integrated stereo amplifier. MC/Phono1/Phono2/Tuner/Aux inputs. Speaker A/B/C/A+B/A+C. Bass, Treble, Balance, Volume controls. Dubbing, Monitor, Subsonic, High Cut, Mode, Loudness, Muting features. 1/4 inch phones jack on face. Silverface unit. 8+/10 condition. Some lettering worn off and some dust inside.

$ 340  Contact Us  


All Remotes are now 25% off or Free Shipping!!!  (Reel to Reel remotes excluded).


Gallein-Krueger 400 RB

Audio Proz Inv #: 56215

200 watt bass amp with power cable. 1/4" input with -10db button. Volume/ 3 voicing filters/ treble, hi-mid, lo-mid, bass tone/ boost level with footswitch jack/ master volume/ 2 1/4" speaker outs 4 ohm/ direct out/ send, return on back. AP mod improved filtering capacitors grounds. Black with grey control panel. Minor marks around edges, covers. Low use, fully serviced. Has AC cord.  No rack ears (carry strap one side). 8+/10 condition.

$ 336  Contact Us  

GLI A-6600 Mod Rev III

Audio Proz Inv #: 56295

Integrated amp. Audiophile grade design with remote for volume input switching. Superior all metal chassis quality controls. High current speaker relays. A.P. modified power supply, phono pre, and RFI modifications. sn 9400129 New condition, 1 time demo from display. With VU meters

$ 328  Contact Us