100 Watt per channel class A/B power amp, High quality high-current mosfet amp, runs true class A up to about 20 watts, very good condition black rack mount.
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Solid state power Amplifier. SN: AH4175. Luxury style power level meters (DB) for L+R channels, Stereo gain control and intuitive meter range selector. Fully serviced and tested, cleaned all controls/jacks 2 times. Replaced 2 low level transistors on preamp board for level controls. Cleaned board connectors. RCAs have typical oxidized look but function well. Unit specs out phenomenally, very low use time, noticeable crack on one corner of the faceplate, 1 inch in size. With all original box, packing, owners manual, factory harmonic distortion test graph. Cabinet can be made available. #8 condition
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Silver face beautiful design Large Meters, audiophile quality unit, was $1500 in 1980, 200W/ch @ 4 OHM, 100 @ 8 OHM Part of matching 3-piece set. Also included are Luxman 5C50 Preamp (see preamps), and Luxman 5T50 Tuner (see receivers)... **SPECIAL WHOLE SYSTEM SALE**
All our machines have been serviced in our shop to be guaranteed functioning and reliable well into the future. They are sold with service logs explaining the work performed on each individual unit. It is important to hold onto these service logs as they will provide valuable information to any tech servicing the machine in the future.
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Quadraphonic amp, phenomenal condition
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4RU rackmount power amplifier. Channels 1 and 2 level controls on front panel, quarter inch audio inputs and banana terminal speaker outputs on back panel. Very good #8 condition with some minor nicks and scratches and one original knob has minor chip in edge. Professionally cleaned and serviced; AudioPro power supply upgrade with all new capacitors.
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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.
1200 Watts demand responsive amp. Left/right RCA inputs. Banana post outputs. Fault indicator LED. Left/right power level LEDs on face. Brushed grey finish with rack loops. Later improved version "rev d" boards. Virtually unused. Fully serviced. Has original box + packing + manual. 9+ condition.
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Rackmount Face. Black color with bronze rack handles. Quasi Class A FET design. 100 Watts. New power switch. All cleaned, calibrated. Bias & DC offset OK. Ruggedized circuit board soldering. Minor scratches on some edges--nice low use machine. 8+
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High quality circuit design, reliable, 4 space rack mount, later version production. #9.
We can Repair/Service this model and similar amps. Call for more info. 617-926-8020
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Graphic EQ 5 band. Inputs: Phono/tuner/CD/TV/Tape monitor. 70 watts/channel. Actually an audiophile grade amp design. Tested, serviced, cleaned, working. Due to visible scratches on top cover condition #8.
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Dual monaural construction. Stereo power amplifier. Back panel level control, 2 way speaker switch. New capacitors installed, including bypass capacitors. Good quality relays UPDATED. Nice condition, low use time. 9. We can do a capacitor rebuild on this model for $200-300.
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2x10 combo amp. With 24 bit analog modular NICE effects and tuner. 2 channels. Stereo line out, stereo lave in, insert loop, aux in, tape in/ out, phones. midi in. Jensen speakers. 8 Condition Minor tole and tears.
Please be aware there is a minimum $4-$6 to ship any part. International orders will be $14-$16 to ship for anything larger than an envelope. Shipping costs are non negotiable, so please, PLEASE do not ask for a part, or for us to search for, or quantify a part if you cannot pay for the shipping.
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.
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15"inch driver, inputs: bass/guitar/flat. Controls: volume/bass/treble. Modified power supply switch. (3x) ruggedized board, power on indicator lamp, tolex (black) with metal corners. Unit has been double checked.
Integrated Amp, 2 phono in, tuner in, aux in, 2 tape monito in, 2 independant speaker outs, 5 band EQ, excellent amplifier design - Nice Style. Modified to improve grounding and power supply, unit is all cleaned and serviced
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100 watt, rack mount. Unit has quieter version fan by design. Bias, hum, noise is exceptionally low. Audiophile version spec. 10.
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Tube design Mono block Power Amplifier (SN: 09209) Beautiful Silver brushed aluminum face with white VU meter, attenuator control, and 7 position bias control. RCA inputs , 2-4 Ohm & 6-8 ohm output posts. (no tubes supplied in this unit) Fully shop serviced, clean and calibration. Excellent condition cosmetics #8+ (few very minor top & side scuffs)
Aluminum silver face, extremely excellent built, integrated amp, well done Fisher equilizer, blue backlight, Meter 80 watts per channel, 5 band equilizer, 2 independent speakers, high quality phone in, 2 tape dubbing monitoring tuner/phone aux in, 2 headphone. Very thoroughly serviced. condition #9
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w/remote. 100 Watt. Audiophile grade. Amplifier design. Many inputs, but unit has ground jackets torn off Of RCA for AUX and video in. Low use/bargain unit Condition #7
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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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Factory assembled and modified later version unit, with higher quality parts and high speed bypass caps. Features RCA L/R inputs and fused outputs. Fully serviced and calibrated, low use unit, with some minor scratches on top cover. Condition: 8-
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RA-970BX. Slimline, black. Basic Integrated amp. No phono in. CD, 2 AUX, 2 Tape, Tuner. Bass/ Treble controls. Cleaned and re-enforced. Connections, 60 Watts per channel. Comes with box and manual. #9+ condition.
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30watt per channel tube amp with recent set of EL34tubes and 7199 predrive tube. Unit has many updates done to improve reliability and fidelity. Shop engineering unit used to demonstrate updates of tubes. Good #7 cosmetic condition with obvious rust spots on chassis.
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Rackmount, black metal face with handles. 80 watts per channel audiophile amplifier. Excellent condition, very low use time, professionally serviced, calibrated, tested.
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We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.
Very nice stereo integrated amplifier receiver with NAD-authorized updates done by AP, new board soldering, high quality replacement Japanese capacitors, fully serviced and tested. A/B speakers select, bass/treble control, mono select, tape1/tape2/phono/tuner/aux inputs. Very low use time, excellent cosmetics except for tiny rub on upper left corner.
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Tape 1/ Tape 2, tuner, AUX, Video, CD, Disc, input selectors, bass, treble, tone, balance, volume, controls, high quality phono input, nice basic design, 80 Watt amp, discreet-transistor, high current design amp, missing remote, #8+ condition, minor face rub, re-soldered main circuit to make rugged, long term reliable
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