Audio Proz Service and Sales


Adcom GTP-450

Audio Proz Inv #: 70494

AM/FM tuner/preamp. 14 presets. Bass/Treble + Balance Controls. Inputs: CD, Tuner, Tape/Tape 2, Aux. External processor loop. 1/4" headphone jack. Remote control RC-45 included. FM aligned and glue removed. #8 Condition. Note: No phono input.  

SOLD  Contact Us  

Contact us about similar items or replacement parts.

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  

Adcom GFP-750

Audio Proz Inv #: 27515

Minimalist version, no tone controls - volume only, balance control, processor loop, stereo/reverse/mono control, cd balanced input + RCA, balanced main outs + 2 RCA, cleaned controls, excellent conditon - with remote

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Adcom 6FP 555 II

Audio Proz Inv #: 63473

Basic preamp. Top quality phono (with correct ground layout)! Audiophile tone controls, only accent extreme high and low. 5 inputs, bad obvious light scratch at switch, #8- condition. 

SOLD  Contact Us  

Contact us about similar items or replacement parts.

ADA MB-1 Guitar Preamp

Audio Proz Inv #: 59229

Super clean and low use condition. Original high quality tubes, Nationals made in China. These are super low noise version tubes REV 2.05. Low use time was used in personal studio, not roaded. 9/10 condition, very minor rack rash at holes, recent battery cleaned and calibrated.

SOLD  Contact Us  

Contact us about similar items or replacement parts.


Check us out on facebook.

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.


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.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

A-PA1 Solid State Stereo Phono Pre-amp

Audio Proz Inv #: 27173

Stereo Phono preamp.

$ 24  Contact Us