Adcom High-Current Power Amplifier GFA-555se Owner's Manual

Adcom High-Current Power Amplifier GFA-555se Owner's Manual

Adcom high-current power amplifier owner's manual
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GFA-555se
OWNER'S MANUAL
High-Current Power Amplifi er

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Summary of Contents for Adcom High-Current Power Amplifier GFA-555se

  • Page 1 GFA-555se OWNER’S MANUAL High-Current Power Amplifi er...
  • Page 2: Letter From The Adcom Team

    fi ve times as much. Our engineering team consistently strives to develop and design products that will exceed your expectations. Our goal at Adcom is to let more consum- ers hear high-end quality sound without paying high-end prices.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS LETTER FROM THE ADCOM TEAM SAFETY INFORMATION DESCRIPTION OF UNIT GFA-555se FEATURES ......5 WARRANTY INFORMATION ..... .. 5 INSTALLATION & HOOKUP UNPACKING THE GFA-555se ...
  • Page 4: Safety Information

    THE FOLLOWING PRECAUTIONS AND SAFETY INSTRUCTIONS ARE REQUIREMENTS OF ETL AND ETL • Read all the safety and operating instructions before con- necting or using this unit. • Retain this notice and the owner’s manual for future refer- ence. • All warnings on the unit and in its operating instructions should be adhered to.
  • Page 5: Gfa-555Se Features

    Be sure to verify that the serial number printed on the rear panel matches the serial number on the outer carton. If any number is altered or missing, or if the ADCOM Warranty Card is not included in the carton, you should notify us immediately in order to ensure that you have received a genuine ADCOM product which has not been opened, mishandled, or tampered with in any way.
  • Page 6: Unpacking The Gfa-555Se

    UNPACKING THE GFA-555se Before your new ADCOM amplifi er left our factory, it was carefully inspected for physical imperfections and tested for all electrical parameters as a routine part of ADCOM’s systematic quality control. This, along with full operational and mechanical testing, should ensure a product fl...
  • Page 7: Connecting The Gfa-555Se

    It is suggested to follow this chart for speaker lengths and wire gauges. If longer runs are needed, it is best to consult with your ADCOM Dealer to maximize the performance of your system with your exact conditions. up to 24 feet...
  • Page 8 For use in professional installations, the GFA-555se may be mounted in a standard 19-inch rack using the optional RM-7 rack-mount adaptors available through ADCOM dealers. If the GFA-555se is to be mounted on a rack, along with other components which are interconnected to the GFA-555se, the amplifi er’s chassis must be insulated from the metal-rack rails to prevent ground loops, especially if the rack is grounded to “earth”, and to avoid defeating the audio...
  • Page 9: Front And Rear Panel Diagrams

    ( 1 ) ( 2 ) ( 3 ) ( 4 ) FRONT PANEL model GFA-555se power ( 7 ) ( 8 ) (1) Inputs (unbalanced) (2) Inputs (balanced) (3) Output Binding Posts (4) AC Fuse (5) AC Power Cord ( 1 ) ( 2 ) ( 6 )
  • Page 10: Description Of Unit: Rear Panel

    ADCOM dealer so they may check its integrity. To replace the fuse, insert it in the back of the fuse-holder cap.
  • Page 11: Description Of Unit: Front Panel

    (10) Distortion Alert LEDs The Distortion Alert circuit is a unique ADCOM distortion detection system which reads all forms of non-linear distortion such as THD, IM, slew-induced, “clipping”, etc. The Distortion Alert LEDs will light when distortion reaches...
  • Page 12: Resolving Problems

    POSSIBLE SOLUTION do not resolve your problem, then please contact your ADCOM Dealer or call the ADCOM Customer Service Department. Any problems not covered here should be brought to the attention of your ADCOM Dealer or ADCOM Customer Service Department.
  • Page 13: Caring For Your Gfa-555Se

    CARING FOR YOUR GFA-555se Great care has been taken by ADCOM to ensure that your amplifi er is as fl awless in appearance as it is electronically. The front panel is a heavy-gauge, high-grade aluminum extrusion carefully fi nished and anodized for durability. The chassis, top cover and rear panel are heavy-gauge steel that has been powder coated and baked to ensure a lasting fi...
  • Page 14: Gfa-555Se Specifications

    Power Rating (To FTC Requirements) 200 Watts continuous average power into 8 ohms at any frequency between 20Hz and 20kHz with both channels driven at less than 0..04% THD. 300 Watts continuous average power into 4 ohms at any frequency between 20Hz and 20khz with both channels driven at less than 0.04% THD.
  • Page 15: Input Sensitivity

    Published by Advanced Sound and Image | Copyright © 2008 Advanced Sound and Image, LLC | All rights reserved Adcom and the Adcom logo are registered trademarks of Advanced Sound and Image, LLC No part of this manual may be reproduced or electronically transmitted without the express written consent of Advanced Sound and Image, LLC.
  • Page 16 8541 East Anderson Drive, Suite 101 Scottsdale, Arizona 85255 Voice: 480.607.2277 Fax: 480.348.9876 www.adcom.com GFA-555se_manual_v1.1...

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Gfa-555se - v1.1

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