Integrated amplifier, 2 tape inputs, 2 headphones, Bass/presence/treble controls aux in/ tuner/ 2 phono inputs (phono/impedance loading with phono sensitivity switch). Unit has seen very minor water damage; 1 channel is out, face plate and knobs very good condition (missing loudness switch cap), case is rough-missing front fold down panel. Unit is good for boards knobs, one amp channel. *cleaned and lubed*
Auto input sensing of 2 inputs line out slim line NEW
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Integrated amplifier with three speaker outputs, two tape inputs, two phono inputs, two aux inputs, mic input, and tuner. Two position low/hi filter, three position level switch. All original and very low use time, carefully cleaned and serviced.
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Late 1970s "single ended transistor" design, creates a "tubeaphonic" sound quality. Very good cosmetic condition with minor scuffs on wood and two light bezel caps missing from front. Excellent mechanical/electronic condition, tone controls replaced with higher quality Alps controls, all cleaned, carefully calibrated, all lights working.
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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.
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.
stereo integrated amplifier, speakers 1 & 2 on/off, bass, treble, inputs: tuner, phono, CD/aux, and video, tape monitor switch, acoustic expander, stereo/mono, loudness, nice slider volume control. 40watts per channel. Excellent #9 condition.
Stereo power amplifier, 200 watts per channel. Nice aluminum face, wow! XLR and RCA inputs. Excellent #9 condition, completely cleaned, serviced, tested with improved internal grounding.
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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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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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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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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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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
audiophile quality amp, dual power supply, super low noise, 100 watts, input levels, relay breakers, top build quality, 3 space rack design, black, calibrated, tested perfectly, condition 9+
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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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stereo audio/video amp, uses RCA\s-video in, 8 stereo inputs with 2 tape dubbing, phono in, in/out processor loops, 3 band EQ, 60 watts per channel, well built, serviced, DSP processor, can add in imaging effect for front channel (at a subtle level), no remote, condition 8+
400 watt, 4 channel drum and keyboard amp, each channel has tone, balance and gain control, semi-parametric EQ, 4 band, rack mount - 3 space, master volume and crossover, direct out, 6 inputs, effects loop, condition 9
2 stereo inputs, stereo line out, 2 headphone out, 9 volt power supply provided, low use, condition #9
passive headphone tap, power amp loop, mono/stereo selection, 2 headphone out, condition
APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.
High quality Japanese design. Phono Aux. 2 tape tuner inputs. 7 band eq. Upgrade to high quality speaker relay. 100 watt. Black metal. #9 condition.
2x12 combo amp. 2 channel with 24 bit display and tuner. Insert loop, slave in, line out phones, aux in, loudspeaker out. Jensen speakers USED. Very minor tolex tears, fixed broken effect knobs. 8+ Condition.
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.
High quality tube receiver. Aux, FM Mono, FM Auto, Phono 1, Phono 2, Tape. Stereo/Mono switch, Tape Monitor in/out, LF/HF Filter Switches, Muting In/Out, Loud In/Out switches. Bass and Treble, Balance L/R, and Volume knobs. Silver Face in wood case. Just fully serviced. FM calibration. Helper caps added. Service history included. Includes owners manual.
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Headphone console; 6 channel, balanced 1/4" L/R input, better version (SN - 12235), grounding mod to reduce noise, 9+ condition
Stereo integrated amplifier. Grey/Black, slim design. Fluorescent power meters, analogue controls. Phono/tuner/aux & (2) tape loops. 240 vac unit with 3 pin power cord. #9 condition, box & packing.
Email Us or call (617) 926-8020 for more information about ADA modifications and repairs.
Mono P.A. Amplifier. 5 mic or line inputs with auto compression. Uses SSM 2015 Mic precompressor IC. 4 to 16 ohm out or 25 volt or 70 volt wiring. 10 band EQ. RCA or balanced screw terminal for mic. Unit has seen low use all tested clean. Power light neon is flashy due to age. 8+/10 condition.
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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