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Adcom GFP-1A User Manual

Adcom GFP-1A
16 pages
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Adcom GFP-1A Specifications

General IconGeneral
BrandAdcom
ModelGFP-1A
CategoryAmplifier
LanguageEnglish

Summary

Welcome and Introduction

Getting Started

Opening the Box

Instructions for inspecting the unit for damage upon arrival and handling claims.

Unit Placement

Guidance on proper ventilation and mounting locations for the pre-amplifier.

Rear Panel Connections

Ground Connection

Connecting the turntable's ground wire to eliminate hum.

Phono 1 Input

Input for turntable cartridges, with gain and capacitance settings.

Phono 2 Input

Input for various cartridges, with capacitance selection for optimization.

CX Calibration

Procedure for calibrating the CX noise reduction system.

DAD/Video Input

Input for digital audio disc players or video sources.

Tuner Input

Input connection for the audio tuner.

Tape Inputs and Outputs

Connecting tape decks for recording and playback.

Signal Processor Input/Output

Connecting external signal processors like equalizers.

Main Outputs

Outputs for connecting to power amplifiers.

AC Outlets

Switched and unswitched outlets for powering other components.

Fuse

Information regarding the unit's fuse.

AC Power Connections

Connecting the unit to the electrical outlet.

Front Panel Controls

Power Control

Main power switch for the pre-amplifier and switched AC outlets.

Headphone Jack

Connection for stereo headphones with its own amplifier.

Bass Control

Adjusts low frequency equalization for both channels.

Treble Control

Adjusts high frequency equalization for both channels.

Balance Control

Adjusts volume levels between left and right channels.

20Hz Filter

Subsonic filter to remove unwanted low frequencies.

25KHz Filter

Ultrasonic filter to reduce high frequency transients.

Tone Control Bypass

Switch to bypass the tone circuit for direct signal comparison.

Mono Switch

Combines left and right signals for mono playback or testing.

Recording Selector

Controls which input signal is fed to tape output jacks.

Input Selector

Determines which input signal is played through the speakers.

CX Switch

Engages the CX circuitry for CX encoded records.

Loudness Control

Adjusts frequency response based on modern loudness compensation curves.

Volume Control

Stepped control for precise attenuation and tracking.

Care and Maintenance

Cleaning Instructions

Guidelines for cleaning the unit's exterior finish.

Fuse Replacement

Procedure and precautions for replacing a blown fuse.

Troubleshooting and Service

Contacting Technical Support

Information on how to get assistance for problems or questions.

Return Authorization Policy

Instructions for returning the unit for service, including packaging.

Warranty Information

ADCOM Protection Plan

Details on the one-year limited warranty and optional extension.

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