Audio Proz Service and Sales


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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Rotel RTC-940 AX

Audio Proz Inv #: 41699

Tons of control, 8+ FM digital memory. Aux, CD, Tape 1/2 inputs. No phono inputs. Slim-line, black color (Adcom look), with remote. Excellent, #9 condition with box.

$ 300  Contact Us  

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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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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We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

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.


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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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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Adcom GTP-400

Audio Proz Inv #: 42302

FM/AM tuner, phono, CD, tape 1/2. Balance bass and treble controls. Unit has full service, including all cleaning and FM tuner alignment. Minor scratches on cover, some finger wear on controls, missing 1 memory button. #8 condition.

$ 200  Contact Us  

dbx Mini-Pre

Audio Proz Inv #: 42401

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.

$ 70  Contact Us  

dbx Mini-Pre

Audio Proz Inv #: 42402

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.

$ 80  Contact Us  

Realistic Stereo Pre-Amplifier 42-2101

Audio Proz Inv #: 42483

RCA out, mic 1/4" stereo inputs, phono RCA in.

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Need an APT unit serviced or modified? Vince, the owner of Audio Pro, ran the production line at APT for many years, and has decades of experience working with APT products. Read all about our APT Holman service and mods here. Also read about the APT Moving Coil Phono Mod Here.


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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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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NAD 1130 Stereo Preamplifier

Audio Proz Inv #: 43200

Phono/Aux/CD/Tape1/Tape2/Tuner in. 2 outputs, 2 band bass/treble tone control. Capacitance load switch. Does moving cartridge or moving magnet. #8+ condition with some minor scratches on top cover. All controls and switches cleaned. Fully tested. No noise or modulation.

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SAE Mark 1B

Audio Proz Inv #: 43246

Stereo pre and equalizer. Inputs: Phono 1 & 2, Aux 1 & 2, tuner. 3 tape monitor loops, 2 speaker sets, balance and gain controls, 7 band equalizer. Cap + Coil circuit. Class A Transistor design. Resoldered boards at equalizer circuit. #8- condition with minor scratches on top cover. Power switch glued in place.

$ 680  Contact Us  

Shure M64

Audio Proz Inv #: 43886

Shure M64 stereo preamp. 2 channels, RCA ins/outs, equalization switch for phono, flat, or tape.

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Newmann PV76

Audio Proz Inv #: 44157

Up to 76dB gain in 6dB increments, selectable high pass filter at 40, 80 and 140Hz, XLR mic level inputs and XLR +4 dB outputs.

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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.


APT Pre Preamp Board

Audio Proz Inv #: 44407

100ohm input. Excellent condition.

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Behringer Bass V-Amp

Audio Proz Inv #: 45016

New stock.

$ 108  Contact Us  

Pyramid SEA-2500 x

Audio Proz Inv #: 45445

Stereo preamp with Tuner, Aux, CD, Mic, and Phono inputs. Tape, mono, low filter, and muting buttons. Bass, mid, treble, and volume controls. Super tweek modification to EQ and find adjustment of balance. Professionally cleaned and serviced, all controls checked and OK.

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Pyramid SEA-2500x

Audio Proz Inv #: 45446

Tuner, Aux, CD, Phono, Mic inputs. Bass, Mid, and Treble EQ controls. Made minor modifications to make perfect level and EQ match between channels. New stock, QC'ed.

$ 185  Contact Us  

APT Moving Coil Preamp

Audio Proz Inv #: 45882

#201/202. Moving coil preamp for Holman. Set for 100ohm input impedance, but can be changed per customer request. All caps updated, with noise check and EQ check. New old stock.

$ 240  Contact Us  

APT 202A

Audio Proz Inv #: 45886

Moving coil preamp. 75ohm input impedance. Super low noise top board. Serviced and fully tested, with some capacitor updates. Excellent #9 condition.

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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.


Stanton 310

Audio Proz Inv #: 46055

Phono Stereo preamp, with dip switches for cartridge impedance matching. Uses RCA in and professional screw terminals out. Unit can operate at AC 120 or 230 volt. Excellent #9 condition.

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Pioneer SPEC-1

Audio Proz Inv #: 47386

Full function stereo pramplifier, silver face, 120/240v switchable, fully cleaned and tested, truly excellent cosmetic condition.

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