Basic phono preamp, 1 stereo input, 1 stereo output, Black case (4"x2.5"x1.5"), Good condition (#9)
Stereophonic Preamplifier. SN: AK2903. Aux, Tuner, Phono 1 & 2, Mic, and Tape HD Inputs. R/L Controls for both Bass and treble, headphones, and tape in/out jacks. This unit is fully serviced and tested. One capacitor added to improve power supply. Cleaned all controls, switches, jacks, tightened connectors, checked phono noise, and a 2nd switch cleaning. Includes all original packaging, owner's manuals, factory harmonic distortion test graph, cabinet available also. #9 condition
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Headphone out, hi-filter, montor source/ tape, left/right balance slider, bass/ mid/ treble sliders, loudness, tone mode selection. Beautiful unit in excellent functional and cosmetic quality. Better version electronics (tantlum caps). Clean face with minor signs of use. Aftermarket feet installed on bottom. #8+ Condition
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Vintage preamp, silver face with black inset, bass / mid / treble controls with turnover 250hz 4kHz, phono 1 / 2, tape 1/ 2, tuner, aux inputs, *back panel RCA's have been replaced (metal plate was cut to fit new RCAs), fully serviced, excellent condition, all basic service, condition #9
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Slim line aluminum, Linear phase EQ! Very high-quality parts & controls, exc phono pre. (1 module pulled - - no phono!)
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Absolute top quality Class-A circuitry! Open discrete op-amp module upgrades. Low-use time, excellent condition. Part of matching 3-piece set. Also included are Luxman 5M521 Amplifier (see # 24128 in amplifiers), and Luxman 5T50 Tuner (see #24126 in receivers). We would like to keep this beautiful system together, so the PRICE IS FOR THE WHOLE SYSTEM not just the preamp.**SPECIAL WHOLE SYSTEM SALE**
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Super Quality Preamp, Much class circuit design, (2) new upgrade quasi op amp circuit for phono section. (2) other modules (original) have been opened and re-soldered mini circuit board, double up on Mylar preamp coupling caps. Excellent Noise Floor, MC transformer installed type 8020 40ohm load. Most caps replaced in power supply (small value types) All calibrations done for preamp module D.C. offset, new status bulbs. case and cover has few minor scuffs, Face is #9 Very low use machine #8+ condition
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(1) Stereo Balanced XLR, (2) Stereo Line Inputs, (1) Stereo Line/processor, (1) Stereo Line/tape, (1) Tape out RCA's L/R Main Outputs RCS and XLR, Super Quality, NO REMOTE / NO PHONO, with photocopy of owners manual, Condition #9
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Stereo Control Amplifier. High accuracy EQ. GMN Stage volume and level control for a very high gain low noise FET gain, low noise FET Design. Audiophile phono pre MC and MM. Cleaning, glue removal, and board resoldering done. Low use #8+ condition SUPER LOW NOISE!, Condition #8+
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Control Preamp w/remote, 7 band program band EQ, nice FIP readout, cleaned and tested OK
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Very high quality discrete circuit preamp. Audiophile build quality. All connectors, RCA panels clean and tight. All capacitors checked, are in good quality. Unit has had pro cleaning, silicon dialectic installed in switches. 8+/10 condition, minor scratches on top edge but unit has seen extremely low use time.
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Hi-Fi Stereo Pre. 2 phono in (1=100 ohm, 2=MC), 2 tape loops, 1 aux in, 1 tuner in, 1 processor loop, 2 direct out. Tone defeat and mono. Dark grey with large knobs and selectors. 1/4 inch headphone out. 8+/10 condition. Some minor paint wear. Has original box and packing. Complete service/cleaning/calibration and dialectric lube.
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Basic phono to line level w/ RIAA equalization, RCA / 1/4" TRS output (line level), 12v DC power supply included, Small and compact (4"x2.75"x1.25"h), Original box and manual, Used in Excellent condition #9
4-channel mic preamp, all channels checked for noise, all controls tested, mint condition, like new with box and packing.
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Phono preamplifier/equalizer, Mint Condition Cosmetically, Mono Vintage device in brown bakalite box with brass face plate, for 78 equalization, unit has powersupply upgrades, cleaned and serviced.
Tube mono, w/manual - 78 equalizer.
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Excellent Condition. 3 Tape ins, spare EPL external processor loop, 2 speaker switching capable. Many modifications and updates, most capacitors in audio circuits and upgrade some power supply capacitor clean all controls switch.
We offer expert time-saving advice on repairing many types of home and studio equipment, as well as consulting for product and recording issues, at a fair and reasonable cost. For complex matters, we sometimes must charge a small technical fee. If we can help solve your repair problem or technical conundrum, give us a call. (617)926-8020.
Light Gold/Silver Faceplate, Back panel RCA perfect, low phono noise level excellent, Absolute mint condition original, no mods, low use, Excellent quality Assembly, #9 Condition
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Mint condition, single channel design with 12AX7 vacuum tube, -20db pad, phase switch, and 48v phantom supply. Peak and power LEDs. 60dB gain and -infinity to +10dB of output level. XLR microphone input, 1/4" TS line input, balanced 1/4" TRS and XLR outputs Table top design, very portable.
Mint condition, single channel design with 12AX7 vacuum tube, -20db pad, phase switch, and 48v phantom supply. Peak and power LEDs. 60dB gain and -infinity to +10dB of output level. XLR microphone input, 1/4" TS line input, balanced 1/4" TRS and XLR outputs Table top design, very portable.
Mint Condition, 1-rack space preamp, audiophile quality preamp with highest quality op amp, caps, connector controls, and circuit board. 2 aux ins, 2 tape inputs/dubbing, and processor loop, monitor switch L/R mono reverse switchable/defeat tone controls, Nice Style.
Although these Crowns are excellent preamps they are not significantly different than an APT (which actually has a better phono pre) or an Adcom. Those two are both 2 rackspaces though.
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phone preamp, we've installed MU metal shielding and changed the P.S. grounds to make it super low noise, FET front end, condition #9
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MM Phono preamp, updated power supply, replaced power cord, checked for noise - floor is excellent, Condition #9
We leave "SOLD" items on our website for machines that we often repair and provide parts for. This is to give you an idea of the products we typically carry, and direct you to alternatives you may not know about - we often have substitutes for out-of-stock parts, and are happy to recommend workarounds and different solutions to common problems.
(1) Stereo - "Receiver". Modified as AM-FM Tuner pre. 1 - phono, 2 - aux ins, 2 - tape loops, and 1 - CD in. Upgrade power supply parts/caps, speaker wire in to allow use of headphone or units, 2 speaker selector. Black Face #9 condition
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Black face/rack mount, digital AM/FM 10 presets, excellent tuner, use of head phone jack stops audio output by design, FM battery memory OK, re-soldered power supply board and minor service updates, cleaned and calibrated, cleaned all connectors, 1 Phono, 3 Line-ins, 3 Tape loops, NO REMOTE, Condition #8+
