Audio Proz Service and Sales


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  

QSC PLX-1202

Audio Proz Inv #: 33199

Lightweight, switching mode amplifier, 221b

$ 440  Contact Us  

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  

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 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  


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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. 

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.


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  

MR-1240 power amplifier SN 6139th

Audio Proz Inv #: 41463

12 channel - 6 zone - 35 watt per channel

$ 499  Contact Us  

QSC PLX1202

Audio Proz Inv #: 33198

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

$ 550  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  

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  


We offer expert time-saving advice on repairing many types of home and studio equipment, as well as consulting for product and recording issues, at a fair and reasonable cost.  For complex matters, we sometimes must charge a small technical fee.  If we can help solve your repair problem or technical conundrum, give us a call.  (617)926-8020.


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  

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