Adcom GFP-345 User Manual

HIGH DEFINITION
PREAMPLIFIER

Adcom GFP-345 Specifications

General

Brand	Adcom
Model	GFP-345
Category	Amplifier
Language	English

Summary

INTRODUCTION

FEATURES GFP-345

OPERATIONAL SETUP

UNPACKING THE GFP-345

Details the procedure for unpacking the preamplifier and handling potential damage.

INSTALLING THE GFP-345

Provides guidance on proper installation and ventilation.

CONNECTING THE GFP-345

Explains how to connect the preamplifier to other audio equipment.

INPUT CONFIGURATION

GND CONNECTION

Explains the ground connection for noise reduction and hum prevention.

AUX 1 AND PHONO OPTIONS

Describes AUX 1 input and the optional phono preamp board installation.

AUDIO SIGNAL PATH

INPUT SOURCES AND SELECTION

Describes various input sources (CD, TUNER, AUX 2, TAPE IN) and their selection.

EXTERNAL PROCESSOR LOOP

Explains the use of the processor loop for external signal processors.

OUTPUT CONFIGURATION

AUDIO OUTPUT TYPES

Describes the capacitively coupled OUTPUTS NORM and direct-coupled OUTPUTS LAB.

POWER OUTLETS

Explains the switched and unswitched AC outlets for connecting accessories.

POWER AND SAFETY

AC FUSE AND POWER SOCKET

Details the AC fuse, power socket, and safety precautions for power connection.

AC POWER SWITCH

Describes the front panel AC power switch and its indicator LED.

FRONT PANEL CONTROLS

INPUT SELECTOR AND TAPE MON

Explains the rotary input selector and the tape monitor switch.

EXT PROC, MONO, AND CONTOUR

Describes the external processor, mono mixing, and contour controls.

BALANCE AND LEVEL CONTROLS

Explains the balance and main volume (level) controls.

CARE AND SERVICING

CLEANING INSTRUCTIONS

Provides guidance on how to clean the preamplifier.

TECHNICAL SUPPORT

Information on contacting ADCOM's technical service department.

OPTIONAL BOARD INSTALLATION

INSTALLING THE PHO-802A PHONO BOARD

Detailed step-by-step instructions for installing the optional phono preamp board.