Audio Proz Service and Sales

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Amplifiers
( 256 Amplifiers sorted by Price High to Low.)
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APT 1 Power Amp
# 73759
APT 1 Power Amp - Excellent quality, low use time - All AP Level 3 mods completed - Relay recently cleaned / buffed - Fully inspected & cleaned - (Relay takes approx. 15 seconds to click on - this is by design) - *Bridging / Mono Mode disabled, for use as stereo amp, (could be set back to original, but unit is better used as a stereo amp) - Condition: 9 (Cosmetically & functionally excellent, only minor signs of wear. Face & top are very clean, with only light wear) - (SN:EO6456)
$ 990
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APT 1 Power Amp - Rack Mount Version
# 73762
Level 3 Audio Pro Updates/Mods - Power Supply Capacitors upgraded. Both Amp Board Capacitors updated. Relay replaced, (bridging mode disabled, stereo-only unit) - These amps work better as stereo amplifiers - Light surface scratches on face, but mostly very clean. Has gotten updates in power supply & amp boards. Low-use unit in excellent condition. #8+
$ 980
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APT1 Power Amp
# 73760
Level 3 Update by Audio Pro - Capacitor updates in both amp boards & PS board - Proper bias set in both channels - Bridging mode disabled & switch removed & jumpered out - (Can be returned to bridging mode capabilities, but is better used as a stereo amp) - Low use time unit with hardly any cosmetic wear. Only minor blemishes on corners & top of face - Top & bottom are excellent with almost no signs of wear - SN: EO4080 - Condition: 9-
$ 980
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APT 1 Amp
# 73754
Apt Power Amplifier. SN: 7916152. Later version build. Level III update. low use time, From shop owners personal collection. Very little signs of wear or aging. Some light scratches on face and top panel but no broken or damaged parts. Fully functional unit with Audio Pro updates. #9 condition
$ 900
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Marshall 9005
# 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
Email us at sales@audioproz.com or call (617) 926-8020 for more information about ADA modifications and repairs.
Sherwood HP 1000 Integrated Amp
# 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
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QSC PLX1202
# 33198
Lightweight switching pwr supply design, road case available, please inquire!
$ 550
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MR-1240 power amplifier SN 6139th
# 41463
12 channel - 6 zone - 35 watt per channel
$ 499
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QSC PLX1602
# 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
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Yorkville AudioPro 3000
# 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
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Luxman L-3
# 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
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QSC PLX-1202
# 33199
Lightweight, switching mode amplifier, 221b
$ 440
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QSC RMX 1850 HD
# 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
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Yorkville AP2020
# 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
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Yamaha AX-700u
# 73038
Black face, CD tuner, Aux Aux tape 1/2, DAT input, 110W per channel, External Processor Loop Send/Receive, Very high quality design, High quality low noise phono, Variable Loudness, Nice EQ, Nice Reliable design, Minor board re-soldering, All serviced & cleaned, Modified speaker relay, Mute switch is by design a little stickier.
$ 400
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APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.
Peavey KB40
# 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
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Adcom GFA-545
# 73236
High current power amp. RCA L/R Input, L/R Speaker outputs. Dual Power Supply. Basic but high quality design. Very reliable unit with super high quality parts & Construction. Excellent star grounding on filter caps. Better built unit, excellent quality capacitors and board layout. SN: AD11317-726. Cosmetically & Functionally excellent. Some minor scratches/ small marks on unit but mostly very clean. Fully tested & Cleaned. Works perfectly. #9- condition
$ 388
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Scott Stereomaster LK-60
# 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
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GLI Pro GA-75
# 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
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GLi A-6600 High current control amplifier
# 73605
With remote control & manual. Audiophile design. Tape/ aux/ tuner/ dvd/ cd/ phono inputs. Bass/ treble/ balance/ volume controls. Speaker A/B, Meter x. 1 selectors. 1/4" phone jack on face, bayonette speaker terminals. Black face unit with 2 large VU meters. Used but like new. Only minor scuffs/ wear on unit. Comes with original box & packing. Fully functional unit with only minor signs of use. #9 condition. AP rev 3 mod, upgraded low noise IC, x2 1800 uf 35v capacitors added in place of 2200uf 25v.
$ 368
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Marantz MA 600 DC Amplifier
# 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
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Crown Powerline Two
# 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.
$ 360
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Crate Stealth-50 GT-50
# 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
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Onkyo A-10
# 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
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AKAI AM-U03
# 64216
DC Stereo Integrated Amplifier. Installed R. F. I input protection caps on phono input. Unit has updated drive STK I. C. Unit has excellent designs of circuit board foils for ground shielding and reduced audio signal crosstalk. Complete service, updated relay. Unit has seen very low use time, unit has dual mono powersupply. High quality phono design. Tested, fully functional. Light signs of use on faceplate. Top & Bottom panels in excellent condition. Use 18 gauge wire for audio out. #8+ condition.
$ 328
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Re: International Shipping: We ship internationally often and have yet to encounter a problem or complaint. We are very careful to test the equipment before it’s packed and then to double box the machine with added protection when needed for front panels, etc. We are not amateurs or an ebay store; we know these machines very well and know what it takes to get them to you safely. We use USPS priority internationally which seems to be the cheapest. If you prefer another carrier (you should know who delivers to your area reliably) please let us know. Also please be aware of any tariffs that you may be responsible for upon pick up on your end. International shipping may be expensive but we will make sure it is not a headache on top of the cost. PLEASE NOTE THAT SHIPPING INTERNATIONALLY WILL BE A MINIMUM OF $24 EVEN FOR SMALL PARTS.
Gli Model A-6600
# 50587
High current control amplifier, 400 Watt, 60 Watt R. M. S. Output, upgraded ground path for lower noise, replaced phono opamp with upgraded burrbrown (OPA #2604AP) for improved noise floor, REV3 # 10 NEW in box, with VU meters
$ 328
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GLI A-6600 Mod Rev III
# 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
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Yamaha P2075
# 56971
Rack mount 2 channel amp. Rugged design, 2 RU blackface unit with rack rails and LED signal/clip indicators. Inputs: 1/4", XLR; Channel A/Channel B level controls. Condition: 8-
$ 320
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ART SLA-1
# 73046
Stereo single rack space amp. 100 watt per ch@ 8-ohms. XLR & 1/4 inputs. Condition 10
$ 300
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ART SLA-1
# 73028
Stereo single rack space amp. 100 watt per ch@ 8-ohms. XLR & 1/4 inputs. Call for best pricing. Condition 10
$ 300
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