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Adcom GFP-1A

Stereo Pre-amplifier

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Adcom GFP-1A


The Adcom GFP-1A represents the finest thinking in advanced pre-amplifier design.

The superior performance is a result of a thorough rethinking of high performance concepts in pre-amplifier engineering.

Some of the outstanding features of the GFP-1A include:

Comprehensive phono section that allows careful matching of cartridge.

Flexible tape circuit that allows listening to one input while taping from a different output.


Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.007%

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 85dB (MM), 100dB (line)

Output: 150mV (line), 10V (Pre out Max)

Dimensions: 482.6 x 76.2 x 317.5mm

Weight: 7.28kg


instruction/owners manual   English -

service manual   English - martindforsythe

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psicofili's picture


There was also under the name Audiometric

valle3452's picture

Schematic, Parts List for GFP-1A...

Any chance the schematic or parts list could have been listed in the owner's manual? The index at the end of this file shows them listed but they are not included in the file. Any help will be greatly appreciated.


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