4-space rack design Stereo power amp, full TUBE design, Audio Pro modified. Designed by Marshall the Guitar amp co. Dual EL 34, converted to home audio quality hifi amp. Ruggedized, fresh tubes, call for details.
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
Lightweight switching pwr supply design, road case available, please inquire!
12 channel - 6 zone - 35 watt per channel
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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Step-up rail voltage design for high powered use, actually not a modern digital amplifier, lightweight amp, very super reliable design, Condition #8 Low use rental
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.
Power amp. 850x2 @4 Ohms. 3 space rack mount. Selectable crossover, (60Hz,90Hz,120Hz) thru/output XLR. 1/4" and XLR inputs. Includes special hi current 20 amp AC cord. Speakon and Banana outputs. Low use unit cleaned and tested #9 condition.
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)
Power ratings 350W - 8ohm, 600W - 4ohm, 900W - 2ohm, 1800W bridged 4 ohms. Barrier Strip, XLR and 1/4" input jacks. Speakon and binding post outputs. Has full features for bridging and soft limiting. Virtually no use time. Set proper bias and cleaned controls. Conditions #9.
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audiophile grade amplifier, super low noise, 2 rack space amp, old school super rugged design, level controls, bridging, function lights, XLR and phone in, Speakon output, low use, all checked, perfect, needs face clean, #9 condition
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.
New horn tweeter installed, combo amp for keys, has pre out / power amp in, internal limiter, discreet amp design, 2 way with 12 inch driver and horn for excellent presence, super loud crank, also eq patch in/out, unit could be altered easily with different eq, damped box, woofer cone, little dusty, light rust, low use time, very clean internals, #8+
High current power amp. RCA L/R Input, L/R Speaker outputs. Dual Power Supply. Basic but high quality design. Very reliable unit with super high quality parts & Construction. Excellent star grounding on filter caps. Better built unit, excellent quality capacitors and board layout. SN: AD11317-726. Cosmetically & Functionally excellent. Some minor scratches/ small marks on unit but mostly very clean. Fully tested & Cleaned. Works perfectly. #9- condition
Stereo power amp, 3-space w/VU meters. Awesome very well built high current 100 watt amp with meters and level controls, 2 speaker switches. *** Modified power supply, Improved upgrade audiophile grounding done***.
Solid state stereo amplifiers Scott kit, Tape, Phono, Tuner, Aux, Input Selections, bass, treble, balance, controls, wood case #8+ unit all knobs nice, all phono, input caps and transistor upgraded, unit probably could be upgraded with new EQ board capacitor
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Stereo Power Amp, 200 watt per channel - Single rack space Low noise, high current design, Modified with special internal shield for super low noise, also special bias check for stability. rear cooling fan, XLR & phone inputs. (fan can be made quieter) As new warranty with Original Box packing, (used 1-2 rental) #9-
Vintage Silver Face design, (2) Phono (1) Aux (1) tuner (2) tape loops 5 band EQ & defeat switch, LED power meters, Low use machine. Audio Pro - improved, power supply grounding. Hi Quality circuit design, Low use, all service done. #9 condition
With 16ohm Clestion Vintage 30 speaker, impedance speaker matching switch gives different tone qualities. Spring reverb. 4 6V6 Amplifier, excellent, 4 new Sovtek 6V6 tubes installed, 2 channel IN, multiband EQ, FX send loop, footswitch. 8/10 condition cleaned, calibrated, major super-ruggedization, doubled upon grounds, tested reverb/speaker. new fuse holder.
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.
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.
High current control amplifier, 400 Watt, 60 Watt R.M.S. output, upgraded ground path for lower noise, replaced phono opamp with upgraded burrbrown (OPA #2604AP) for improved noise floor, REV3 # 10 NEW in box, with VU meters
APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.
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
DC Stereo Integrated Amplifier. Installed R.F.I input protection caps on phono input. Unit has updated drive STK I.C. Unit has excellent designs of circuit board foils for ground shielding and reduced audio signal crosstalk. Complete service, updated relay. Unit has seen very low use time, unit has dual mono powersupply. High quality phono design. Tested, fully functional. Light signs of use on faceplate. Top & Bottom panels in excellent condition. Use 18 gauge wire for audio out. #8+ condition.