- ADCOM GFA-7700 High Current 5-Channel Power Amplifier Owner's Manual

• Precision-matched devices used throughout the signal path.
• 120,000 µF of power supply-lter capacitance for greater reserve capacity.
• Independent power supplies for each channel.
• Fewer gain stages improve signal reproduction accuracy.
• Custom toroidal power transformer provides better regulation and greater peak
current capability.
• Independent thermal-overload and distortion LEDs for all 5 channels.
• High quality, gold-plated 5-way binding posts.
• High quality, gold-plated RCA jacks.
• Large independent, internal heatsinks for greater cooling capability of output devices.
• Convenient 12 VDC power ON/OFF triggering.
• Heavy gauge, anodized aluminum front panel.
• Powder-coated, baked chassis and top cover for greater durability.
• Cooling vents for greater efciency and cooler operation while driving low impedance loads.
• Standard DB-25 connector to simplify installation
GFA-7700 Features
Introduction
Warranty Information ....................................................................... 2
Description of Unit
Rear Panel..................................................................................... 5
Front Panel.................................................................................... 7
Installation & Hookup
Unpacking the GFA-7700 .................................................................... 9
Placement of the GFA-7700 ................................................................ 9
Quick Connection Diagram ................................................................. 10
Connecting the GFA-7700 ................................................................... 11
Caring for your GFA-7700 ................................................................... 12
Troubleshooting
Resolving Problems .......................................................................... 13
Service Information.......................................................................... 14
Specications ................................................................................. 15
Dolby ProLogic
™
and Dolby Digital
™
are registered trademarks of Dolby Laboratories Licensing Corp.
Table of Contents