Do you have a question about the Adcom GFP-1A and is the answer not in the manual?
Instructions for inspecting the unit for damage upon arrival and handling claims.
Guidance on proper ventilation and mounting locations for the pre-amplifier.
Connecting the turntable's ground wire to eliminate hum.
Input for turntable cartridges, with gain and capacitance settings.
Input for various cartridges, with capacitance selection for optimization.
Procedure for calibrating the CX noise reduction system.
Input for digital audio disc players or video sources.
Input connection for the audio tuner.
Connecting tape decks for recording and playback.
Connecting external signal processors like equalizers.
Outputs for connecting to power amplifiers.
Switched and unswitched outlets for powering other components.
Information regarding the unit's fuse.
Connecting the unit to the electrical outlet.
Main power switch for the pre-amplifier and switched AC outlets.
Connection for stereo headphones with its own amplifier.
Adjusts low frequency equalization for both channels.
Adjusts high frequency equalization for both channels.
Adjusts volume levels between left and right channels.
Subsonic filter to remove unwanted low frequencies.
Ultrasonic filter to reduce high frequency transients.
Switch to bypass the tone circuit for direct signal comparison.
Combines left and right signals for mono playback or testing.
Controls which input signal is fed to tape output jacks.
Determines which input signal is played through the speakers.
Engages the CX circuitry for CX encoded records.
Adjusts frequency response based on modern loudness compensation curves.
Stepped control for precise attenuation and tracking.
Guidelines for cleaning the unit's exterior finish.
Procedure and precautions for replacing a blown fuse.
Information on how to get assistance for problems or questions.
Instructions for returning the unit for service, including packaging.
Details on the one-year limited warranty and optional extension.