Operator`s manual
Switching Voltage 19
Connecting Headphones 20
Audio 21
Vacuum Tube Break-in 21
Bluetooth® Noise 21
Volume Level 21
Care of BlueTube Products 22
Service 22
Cleaning 22
Additional information 23
Troubleshooting 23
Limited Warranty 25
Table of Contents - 2
© 2013 BlueTube Audio, Inc. All rights reserved. Reproduction in whole or in part without
written permission is prohibited. iPod, iPhone, iPod touch, iPod classic, iPod nano, and
iPad are trademarks of Apple Inc. Android and Google Play are trademarks of Google, Inc.
Bluetooth is a trademark of Bluetooth SIG, Inc. All other trademarks are trademarks of their
respective owners. Features and specications are subject to change without notice.