2 channel solid state amp. Channel 1 controls: Volume/Mid/Treble/Bass/Reverb; Channel 2 controls: Gain/Limiter/Presence/Volume. Features Chorus effect with rate and depth controls, and Mono/Stereo effects loops. Has original 2x10 drivers.
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Integrated amp. Unit is totally intact. One channel has shorted output transistor & bad emitter resistor (nothing burned or any obvious problem, probably an easy repair). Face plate and connector all in excellent condition. Unit could be easily converted to class A preamp transistor.
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Integrated amp. Audiophile grade design with remote for volume input switching. Superior all metal chassis quality controls. High current speaker relays. A.P. modified power supply, phono pre, and RFI modifications. sn 9400129 New condition, 1 time demo from display. With VU meters
200 watt bass amp with power cable. 1/4" input with -10db button. Volume/ 3 voicing filters/ treble, hi-mid, lo-mid, bass tone/ boost level with footswitch jack/ master volume/ 2 1/4" speaker outs 4 ohm/ direct out/ send, return on back. AP mod improved filtering capacitors grounds. Black with grey control panel. Minor marks around edges, covers. Low use, fully serviced. Has AC cord. No rack ears (carry strap one side). 8+/10 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.
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APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.
5 channel power amplifier. Front L, Front R, Center, Surr L, Surr R. RCA ins with level control. THX ultra. Peak LED indicator for each channel. Brushed black aluminum face. 8/10 condition. Center channel non functioning, minor scratches on top of face and cover has spare parts for channels.
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4 channel amp. Aux/tuner/phono inputs/2ch-front/rear/4ch composer. 4ch-stereo/reverse/front & rear, f&r volume controls, bass/treble controls, 1/4 inch phones. Mono/stereo, loudness hi filter, remote/main switches. Modified all PS caps, upgrade/double values & output amp caps for transformer to run 24dbm pro out. AP improved power filtering & bandwidth response. This machine modified lower noise to be used as 4 channel, Neve/ class A +24dbm capable conversion. Has original manual & schematic. Does very tube like sound character. Silver face unit, faux wood cover. Light scuffs on top cover. 9 condition.
Battery powered combo amp. 2 inputs/2 channels- ch1 level/ tone controls ch2 gain/low/mid/high/level controls, 1/4 inch insert/phones jack. Brand new battery. Has charger. Can also run off 12 volt power supply. AP dampened cabinet, nicer sound, Audio Pro Modified for more natural sound, but forward voice, Upgrade speaker supplied upon request.. 8" driver 2" tweeter. Unit has seen low use time, all Tolex covers are nice. 9 condition
Integrated stereo amplifier. MC/Phono1/Phono2/Tuner/Aux inputs. Speaker A/B/C/A+B/A+C. Bass, Treble, Balance, Volume controls. Dubbing, Monitor, Subsonic, High Cut, Mode, Loudness, Muting features. 1/4 inch phones jack on face. Silverface unit. 8+/10 condition. Some lettering worn off and some dust inside.
Single Rack Studio Linear Amplifier. 100 Watts x2 @ 8 ohm. 260 Watt bridged mono. XLR and 1/4 ins, Banana outs. Silent thermal dependent cooling system. Modified low noise fan, optimized bias. Minor rack mount rash. Condition: 8+
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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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All original rare vintage tube amp, in excellent working and cosmetic condition. Has high quality JAN spec GL6/5881 tubes.
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Integrated amp. Silver, Slim line. Tuner in, aux, phono, two tape ins, dubbing. Complete cleaning. Installed high quality banana terminal connectors for speakers. Nice audiophile design.
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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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.
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.
Headphone console; 6 channel, balanced 1/4" L/R input, better version (SN - 12235), grounding mod to reduce noise, 9+ condition
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.
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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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.
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.
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.
passive headphone tap, power amp loop, mono/stereo selection, 2 headphone out, condition
2 stereo inputs, stereo line out, 2 headphone out, 9 volt power supply provided, low use, condition #9
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.
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
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+