Contents
Introduction
Owner’s Reference
Document
4826 Sterling Drive, Boulder, CO
Introduction
Important Safety Instructions
Introduction
4826 Sterling Drive, Boulder, CO
Troubleshooting
Table Of Contents
Table Of Contens
Questions and Answers
4826 Sterling Drive, Boulder, CO
What will it do? No attenuators inside
What you can expect
Introduction
Getting Started
Location Isolation Power Cables Use a Power Plant
Getting Started
Audio interconnects USB cable
If you are using a computer
Connect to an AC power source
Avoid switched outlets Make sure the GCHA is on
Control off Plug the headphones in
4826 Sterling Drive, Boulder, CO
Computer system volume all the way up
Make the GCHA the default device Input Selection
Quick Start Guide
Questions and Answers
Questions And Answers
Are there any internal fuses? Which headphones?
Placement? Isolation?
Questions and Answers
What voltages can I run GCHA on?
Turning the unit on/off
Questions And Answers
Problems with computers Does not recognize the
Troubleshooting
The GCHA will not power up No AC in
Check the line cord Switched outlets
Older operating systems
Make the GCHA the default device
Check the volume in the computer
Check the preamp volume
TERMS AND CONDITIONS Conditions Remedy
Warranty
Transfer of Warranty
Warranty
4826 Sterling Drive, Boulder, CO
Miscellaneous Outside the US
Warranty
Warranty
Obtain an RA number Contact information
Service
If you require service in North America
Service
Service
If you have problems Voltage changes
Your serial number Your purchase information
Date of purchase
Owner’s Reference GCHA Headphone Amplifier
4826 Sterling Drive, Boulder, CO
