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Amplifiers
( 256 Amplifiers sorted by Price High to Low.)
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Adcom GFA-535 power amp
# 28213
Excellent cosmetic condition. Speakers A/B selectable. RCA inputs 60watts/ch at 8 ohms, 100watts/ch at 4 ohms. Serviced and bench tested.
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ADA Microfet 100
# 28422
A/B channel volume controls, Presence control, Peak Levels (LED), 1 rack space, 1/4" inputs, unit as new in plastic
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Optonica SM-4545
# 63539
Top Quality Design, separate board modules 60-80 Watt per channel, full feature 3 speaker switch. Variable tone switch equalization , Silver face " Pioneer look" 2 tapes, aux, turner in, 2 phonos. Unit has been Audio pro modified with all boards, byPass power supply caps and corrected low noise ground. 9+ low use, Stunning the best !
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Rane HC6
# 29239
Headphone amp, excellent condition, demo unit, with improved grounding and power supply
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Adcom GFA-7300
# 34317
5-ch Amp
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APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.
Technics SE-9060
# 38973
Pro rack mount amplifier. Excellent build quality. Condition is like new, impeccable with box and packing, all serviced and cleaned and mechanically and cosmetically in top condition.
SOLD
Marantz PM-7200
# 39983
Integrate amplifier. Remote, Manual, and Box. Excellent modern audiophile build quality design. (modular boards/high quality parts). Input relay switching. 5 line input (1 tape, high quality phono). Basic Bass-Treble Eq. Class A. Mint Condition, Like new.
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Marantz 1072
# 40264
Integrated Amp, Excellent Design, Unit has scratches on knobs (needs new knobs to be perfect), all serviced, cleaned, excellent condition otherwise. Better circuit phono preamp.
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QSC RMX1850HD
# 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)
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Crown XLS 2500
# 61479
RCA ins don't work, all else functions OK, low use, #8 condition
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Scott LK-72 Stereomaster
# 43319
Power amplifier. This unit has a bad tube and a bad fuse holder, otherwise a good machine for parts or hobbyist use. Contact us for more information.
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ADCOM GFA-5300
# 64288
2 channel Power Amp 80 watts @ 8 ohms. RCA in's , Banana Post out's. Hi Quality very well designed unit, low use #9 condition
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Bryston Stereo Amp 4B
# 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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QSC RMX-1850HD
# 43847
2 channels, banana speaker connectors, 1/4" and XLR inputs, 15amp breaker. With AC cord, manual, original box. #9 condition with minor light scratches on top paint. Very low use.
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Carver TFM-6CB
# 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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Need an APT unit serviced or modified? Vince, the owner of Audio Pro, ran the production line at APT for many years, and has decades of experience working with APT products. Read all about our APT Holman service and mods here. Also read about the APT Moving Coil Phono Mod Here
Technics SU-G90
# 63287
Stereo integrated amp, 90 watts per channel, Black face plate, Big volume knob. Phono, Tuner, Tape, TV, and DAT inputs. Prefer to sell with Tuner Technics ST-K50 INV#43678 (will discount price). Speaker B switch interrupts speaker A. Fully serviced, Low use time, needs power cable. #9 condition
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Niles SI-275 Power Amp
# 64269
2 channel design, 75 watt @ 8 ohm. Highest quality parts, relays, 3 pairs of output transistors - High S. O. A , Low noise -High dampening. Super Audiophile Grade Unit ! Low use #9 condition
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Yamaha DSP-A2070
# 52491
Digital sound field processing amplifier. 5 channel Dolby Pro Logic DSP with jazz, concert hall, theater, church, and rock presets. Aux, VCR 1/2/3, TV, tape, tuner, CD, and phono inputs and composite and s-video video inputs. Excellent #9 condition, low use time, cleaned and serviced with ruggedized power supply soldering.
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Harman Kardon Citation 2
# 52538
Stereophonic high fidelity power amplifier. All tube outputs: (4) KT-88 (2 per channel); (6) 12BY7A (3 per channel); 1 Voltage, 2 drivers. 4, 8 and 16 ohm taps; adjustable a/c balance; adjustable bias with meter. Set up for Buggera tubes. All sockets are clean and tight. Fully calibrated, #8 condition cosmetically, #9 condition internally.
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Yamaha A-520
# 70916
Integrated amplifier (1985 vintage) Black face panel. 75 watts per channel. Audiophile grade amp and parts. Has external RCA outs! Speakers A/B Bass Treble + Balance controls. Inputs: Tape 1, 2, Aux, Tuner, CD, Phono w/ switchable mm/mc. Variable loudness. Resoldered grounds + cleaned controls and switches. Good condition all clean. Super quality amp! #9 condition.
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Marantz 1030
# 52807
Stereo amplifier. Mic, phono, tape, tuner, aux selection. Bass and treble controls. Loudness, tape monitor, mono select. Low use, unit has seen minor water damage on top, but performance has not been affected. Set bias/DC connector. Replaced various low level audio capacitors with higher quality mylar. #8+
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Sansui AU-G77X
# 55363
Integrated amplifier; disc, tuner, tape 1, tape 2, aux inputs, MM, MC, CD disc selector, 5 band equalizer, high/low filter, loudness, headphone out, A, B, A+B speaker select, REC selector. 9 condition.
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Yamaha CA-600
# 56134
Natural sound stereo amplifier. Silverface with wood cabinet. 1/4" phones jack on face. Slight bend in rear plate at "B" speaker terminals. Fully serviced and calibrated. Has original box. Low hours use. 9/10 condition.
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Kenwood KA-3500 Integrated Stereo Amplifier
# 56861
Silver brushed aluminum face with 1/4" headphone jack. Inputs: Phono/Tuner/AUX; A/B tape monitor with dubbing switch. This unit has seen low use and has been fully serviced. There is a minor scuff on the top cover but otherwise cosmetics are excellent, and lettering is perfect. Condition: 9-
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Phase linear 200 solid state amplifier
# 62242
Meter range 0db/-10db, velocity feedback rear panel switches. LED front panel peak responding meters for channels A, B. Cleaned, tested resoldered on 1/17/18. 1 speaker jack tab replaced. Faceplate, cosmetics look great, LED meters fully functional, unit has seen very low use, good condition. Faceplate snapped off from interior plastic braces, glued, repaired, looks good. #9 (original box and packing)
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APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.
Yamaha M-40
# 57602
Power Amp 3 speaker switching. Lubed/cleaned speaker inputs. Cleaned and dusted internal units. #9 Condition (Low use).
SOLD
QSC MX700
# 57614
Stereo Amplifier 20k balanced. 2 rack space. Banana outputs 6nd stripe 1/4" input TRS/TS. #7 Condition. Chassis obvious roadwear. Internal very low use.
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Fender LTB
# 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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Phase Linear PL 400
# 70942
Vintage power amp. Large VU meters (All lamps functional) Silver face plate. 200 watts/channel. Unit is virtually mint and low use. Serviced resoldered and ruggedized ground + main board. Excellent condition! Low Use! 9+ condition.
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Luxman L480
# 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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