Audio Proz Service and Sales


Luxman C-12

Audio Proz Inv #: 24017

Slim line aluminum, Linear phase EQ! Very high-quality parts & controls, exc phono pre. (1 module pulled - - no phono!)

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Model PE2 Line Amp

Audio Proz Inv #: 26438

Preamp, 600 ohm in, 8 ohm out, input/output volume control, small add on line box converter for installation/adapting audio signal - call for details

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APT 202C

Audio Proz Inv #: 52699

super low input with super low noise board, tested, may need cap update soon, condition #9

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Mcintosh C28

Audio Proz Inv #: 60606

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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Kenwood KC209

Audio Proz Inv #: 38917

Control Preamp w/remote, 7 band program band EQ, nice FIP readout, cleaned and tested OK

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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.


APT Holman Preamp

Audio Proz Inv #: 71582

Original version, really nice lightly stropped gray face coloring with light gray purple knobs, nice look with rare and interesting version of cosmetics but still has the look of APT coloring, All Level III Audio Pro Mods, phono update, headphone mod, all audio cap all PS caps, Relay mod, Image control mod, EQ mod, Tone control mod, #9 Condition

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Yamaha C-60

Audio Proz Inv #: 25276

Modern, semi-audiophile unit, 4-bd eq, black modern unit, tuner, phono, aux, tape, phone jack, mute, eq bypas etc.

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Phase Linear 3500

Audio Proz Inv #: 22762

Preamp - 3 band sweepable parametric EQ, selectable EQ bandwidth, tone bypass, 2 tape monitors, 1 aux input. Low filter, mute and loudness switches, cleaned and calibrated, Modified - Call for details

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Telefunken v72

Audio Proz Inv #: 42049

12 pin (blade type) multi-pin connector, modular type design, locking latch on front panel, all metal chasis, untested but unit is totally intact and all internal cicuits look good

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Carver C-1

Audio Proz Inv #: 52481

stereo w/sonic holography, inputs: 2 aux, tuner, 2 phono (1 for MM & MC), stereo/mono switch, speakers on/off, 2 tape/monitor loops, dubbing 1 to 2 & 2 to 1, loudness, tone on/off, 2khz & 8khz turnover switch, separate bass & treble for each channel, power switch is not operational. switch jumpered to lessen noise in pre amp.

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Creek OBH-8SE

Audio Proz Inv #: 53047

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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We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock. 

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.


Technics SU-9070 Preamp

Audio Proz Inv #: 38159

Stereo Preamp, complete, excellent mechanical and cosmetic condition. Ruggedized, updated, cleaned and calibrated. Nice Unit.

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Accuphase C200

Audio Proz Inv #: 27016

Excellent preamp - one of the best ever made!!! All special design. Ground lifted all input. RF protected/shielded. Tape 1 to 2 copy. Tone controls are switched resistor/eq circuits. High variable frequency turnover. 3 auxiliary ins, tuner in, 2 phonos. Super quality phono preamp. With gain controls. Ultra quiet. Serviced, callibrated, cleaned and excellent condition.

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Behringer PP 40 phono preamp

Audio Proz Inv #: 41851

 

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behringer PP 40 phono preamp

Audio Proz Inv #: 41852

 

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BBE 381

Audio Proz Inv #: 42119

2 channels (clean and distorted), BBE Process control, unit is fully cleaned and serviced, #9 condition

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Realistic 42-2930

Audio Proz Inv #: 27652

Phono Preamp - Solid State Stereo Pre-Amplifier, Small wall or cabinet mount box. Single Stere input/output device powered by AC line cord.

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We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock.


Advent MPR-1

Audio Proz Inv #: 41990

Pre-amp with 2 1/4" inputs, 2 RCA outputs (male cable end, 10" long), 18 VDC RCA power cable, can use 2 stacked 9v batteries for PS. Includes 2 dynamic mics with long 25' cables, black, slick design. 1/4" splicing block installed on pre, can be removed upon request. Please inquire for more info.

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NAD 114

Audio Proz Inv #: 71510

Stereo preamplifier - Gray with black knobs - Slim unit. Inputs: 2 tape (1+2) Tuner, Aux, Video, CD, Phono (MM)  Outputs: 2 Preouts and Headphone (1/4" Jack). When headphones are plugged in, Pre outs are muted -Nice feature! Very nice quality basic preamp with good phone stage.  Low use #9 condition

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Audio Alchemy VAC-in-the-Box

Audio Proz Inv #: 42625

Phono preamplifier, can handle +14 dbm output, audiophile FET input, OpAmp output, external power supply, #9 condition

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NEC AVD-700

Audio Proz Inv #: 55112

Disital Surround Processor/Preamp. CD/Tuner/Aux 1/Aux 2/Tape/Video 1/Video 2/Video 3/Video 4/ TV/SS inputs. Adjustable millisecond delay/ channel inversion/ adjustable echo. Dolby surround/Hall/Matrix/Creation modes. Adjustable left/right input level. Nice line level remote preamp, excellent surround processor. Blackface unit with digital display. Ruggedized grounds, updated power supply. Unit has remote. Condition #8+

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The Apt/Holman Preamp Owners Manual

Audio Proz Inv #: 43093

Original Owners manual #8 condition, minor scratches on front cover. With Schematic included.

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SAE P102

Audio Proz Inv #: 9224

Stereo preamp, programmable tone settings, 2 rack space, re-enforced all ground connections on RCA jacks and cleaned and serviced, excellent condition

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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.


Sumo Athena Preamp

Audio Proz Inv #: 9763

Total discreet class A circuits throughout, shielded transformer, high quality level control and switch $800 for complete Sumo System, Polaris amp, Athena Preamp, and Aurora Tuner

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SAE MK1B

Audio Proz Inv #: 18809

Super-quality hand wired boards, low noise, hi-accuracy controls, 7 bnd EQ, 8 AC sockets, 3-space rack mt - speaker add on cable for interfacing amp

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