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.
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
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
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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.
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.
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)
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.
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.
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+
Excellent, super high-quality Rotel design . Dual power supply. Center-point grounding design. 150-200w per channel. Unbalanced + Balanced inputs for both R/L channels with balanced/unbalanced selector. Cosmetically excellent, only minor signs of wear/use. Fully functional unit, bench tested All inputs are clean & good, both channels perform correctly to spec.(with original box & packaging) Condition: 8+
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
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.
2 phono in, Multi-band tone controls, Truly one of the best vintage designs, One of the best condition units we have seen, Capacitors in this unit have seen very low use time (no off-spec caps), Low noise headphone, Minor ground mods, Upgraded tone control/EQ transistor, Low noise, Low use, Cleaned and calibrated, Condition #9 (see our listing TX-9100 AM FM Tuner #70152)
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-
Guitar amplifier, w/distortion control mods, spring reverb, 3 band EQ, 2 ch, foot pedal (reverb, ch, EQ) Amp comes with vinyl cover(Black) Cleaned and serviced. Unit plays loud, Jazz tone, high quality and bright sounding! #9 Very Nice condition
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 !
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)
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.
Email us at sales@audioproz.com or call (617) 926-8020 for more information about ADA modifications and repairs.
APT Power Amplifier 1
# 71498
High quality basic power amplifier done correctly. Features Audio Pro Level III Update. Upgraded - all Power Supply caps, all audio caps, new relay, updated DC servo circuit and relay timer circuit . Very low use unit. Has later version Rev 4 board. #9 condition
A,B,A+B, speaker settings, Bass, Treble controls, CD, Phono, Tuner, Video/Tape 2 inputs. Better upgrade to many capacitors, and ruggedized board solder. Unit has original transistors, good quality power supply capacitors, nice condition, clean faceplate. #9 condition
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.
