Fixed Installation power amp / mixer – 180 watts at 70V or 4R
Comes with owners manual. Speaker outputs: Center, Left Rear, Right Rear, Left, Right. All outputs have individual level controls. Independent RCA inputs for each channel. High quality blue boards with high quality capacitors throughout unit. Excellent, rugged board soldering. Very low use unit, incredibly clean cosmetically & Fully functional. All controls and connectors are clean and undamaged. All channels work excellently. All lights work and bulbs are in good shape. #9 condition.
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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
High power amplifier 19" rack mount handles, 250/watts/channel 8 ohm, High quality Capacitors, double sided boards, input level control (L+R), Stereo/mono switch, vintage style watt meters (switchable range) Truly an excellent design, double sided circuit boards, dual power supply, runs cool, modified power switch with double contacts, cleaned all controls and switches, calibration bias set, minor scratches on cover, Condition #9
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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.
Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs.
Integrated Preamp/ Amplifier. Bass & Treble controls have independent right/left balance for both. Input selector includes Aux, Tuner 1 & 2, Phono 1 & 2, Tape HD. Mode Selector includes L to L&R, R to L&R, Stereo, Mono (L+R) L+R to L, L+R to R, Panloc. Tape Copy/ monitor functions. Only a few capacitors replaced, all others check out perfect (unit uses many Japanese caps). Fixed and tightened connectors. Added silver solder to edge connectors. Face glass is near perfect.Very clean unit with only minor signs of use. Only light wear, no broken parts. Unit is fully functional & Works excellently. No Wooden case. Minor oxidation on rear connectors. #8+ condition.
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19" rack mount power amplifier, 80-100 watt, dual XLR / 1/4" combo jack and RCA inputs, dual output level controls, A/B speaker selectors, front panel headphone jack, 110/220 voltage selector, low use unit, 2 speaker switches well designed very rugged with speaker relay protection, face has slight spotting condition #8+
Integrated Amplifier, 35 Watts / Channel, Vintage Silver Face w/ Black Inset, Inputs: Mic, Phono, Tuner, Aux, Tape 1 & 2, 3 Band Tone Control (Bass / Mid / Treble), Hi / Low Filter Loudness, 2 Speaker Switching w/ Ambience Function, All Capacitors Checked Throughout Unit, Unit Uses Better Low Noise Transistors in Phono Preamp by Factory Design, Working to All Spec, RFI Suppressor Caps in Phono Pre Stage), Very Nice Vintage Marantz, Condition #9
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80 watt stereo. Full feature design. Listen tape selector. Gun green face (metal). Variable low bass EQ. LED. Excellent phono input with cartridge loading circuit. Soft clip circuit. Double up on power switch. Unit has minor thump on turnoff (no relays) - by design. Low use machine. Ruggedized board soldering. Some NAD grades done. Taiwan version machine. Better caps, but power supply was redone with about 20 upgraded parts. Condition 8+
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High quality "audiophile" integrated amp. Passive pre-amp. High quality parts. (2) tape loops. (4) line (stereo) inputs. AC cord in box. Banana post speaker connectors. All cleaned and serviced. **NO PHONO** Black face. Grey silver knobs. Condition 9
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Very well done design, Excellent Audiophile Grade Super Amp, 200+ watt per channel, fan (low noise modified), phone jacks and RCA ins, level controls, all cleaned and calibrated, virtually unused from Hi Fi system. condition #9
Email Us or call (617) 926-8020 for more information about ADA modifications and repairs.
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
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
(Mono unit, industrial style Amp) 1 XLR input, 1 Line input with Terminals. 100 Watt 4/8 ohm, 70v and 25v outputs. Condition #9
220 watts per channel (2) XLR IN, (2) RCA IN, 2 channel speaker out banana post. Low use, basic service bench tested, cleaned switches. Condition #9
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Nice basic design. Stereo amp. CD / Phono / Tuner / Tape / Video Inputs. Excellent phono. Soft clipping setting - power envelope. 4 or 8 ohm switchable. Better made Taiwanese machine. Complete service, resoldered and ruggedized board soldering, some cap changes. Condition 9
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Integrated amplifier with CD / tuner / line / phono / tape 1 / tape 2 inputs, and 2 independent relays for speakers A & B. Remote. Direct mode (bypass tone control). Basic cleaning done, relays okay. Virtually no use. Condition 9
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
Vintage int. tube amp. Beautiful gold finish. Face panel in #10 condition. All lettering intact, not cooked! Impeccable mint condition. Slightly weaker left channel by 1 dB. Original telefunken tubes - no cooking time. Reformed caps, meets all original specs. Low noise floor. All original unit. Excellent specs. Condition 9+
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Basic power amplifier 50 watts/channel Silver 19" rack mountable with Black handles 4 Front mounted fuse holders for the +/- voltage rails for L and R channels. Unit currently is not functional and needs repair - needs custom proprietary AR pre-amp module # 4405828969) Unit in fantastic condition cosmetically, but needs module to be fully functional Due to this factored rated 8+ condition
30 watts per channel, nice look seperate left / right level controls. RCA inputs , push connector output conns, Low use, #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.
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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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FYI, Around the database you will often see us describe the condition of units on a scale of 1-10. #10 would mean the product is new from one of our suppliers, such as Behringer, Audio Technica, etc. #9 means the product is in perfect condition but is used, #8 implies there are some minor cosmetic scratches but unit is mechanically perfect, and so on and so forth.
Serial number: E03924. Level III Mod - Upgraded: all P.S. caps, all audio caps, relay, relay drive circuit, amplifier EQ circuit, DC servo circuit. Condition 9
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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
