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®
P R O B L E M S O LV E D
Installation and Operation Manual
AHR-1 Plus
Headphone Amplifier
Manual update: Manual Revised 6/28/2021
If you need a firmware upgrade, contact Broadcast Tools®
No part of this document may be reproduced or distributed without permission.
ALL SPECIFICATIONS AND FEATURES FOR THIS PRODUCT ARE SUBJECT TO
CHANGE WITHOUT NOTICE
NOTE: We recommend the use of Chrome, Firefox or Safari as your browser.
Due to the dynamic nature of product design, the information contained in this
document is subject to change without notice. Broadcast Tools, Inc., assumes no
responsibility for errors and/or omissions contained in this document. Revisions
of this information or new editions may be issued to incorporate such changes.
Broadcast Tools® is a registered trademark of Broadcast Tools, Inc.
All Sentinel® labeled products are registered trademarks of Broadcast Tools, Inc.
Copyright® 1989 - 2021 by Broadcast Tools, Inc. All rights reserved.
No part of this document may be reproduced or distributed without permission.
Visit www.broadcasttools.com for important product update information.
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Table of Contents
Related Manuals for Broadcast Tools AHR-1 Plus
Summary of Contents for Broadcast Tools AHR-1 Plus
- Page 1 NOTE: We recommend the use of Chrome, Firefox or Safari as your browser. Due to the dynamic nature of product design, the information contained in this document is subject to change without notice. Broadcast Tools, Inc., assumes no responsibility for errors and/or omissions contained in this document. Revisions of this information or new editions may be issued to incorporate such changes.
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Page 2: Table Of Contents
AHR-1 Plus Installation and Operation Manual Table of Contents Section Title Page # Safety Information ........3 Who to Contact for Help . -
Page 3: Safety Information
AHR-1 Plus Installation and Operation Manual SAFETY INFORMATION CAUTION! Only qualified personnel should install Broadcast Tools® products. Incorrect or inap- propriate use and/or installation could result in a hazardous condition. Broadcast Tools® Products, as with any WHO TO CONTACT FOR HELP... -
Page 4: Product Overview
24 and 600 ohms. The AHR-1 Plus can be used as a standalone headphone listening station or within a distributed headphone system. The AHR-1 Plus is equipped with 3.5mm (1/8") and 1/4"... -
Page 5: Introduction
Thank you for your purchase of the AHR-1 Plus, active headphone remote, which RFI and surge sup- we will refer to throughout the manual as the AHR-1 Plus. We are confident this pression suggestions product will give you many years of dependable service. This manual is intended to Installation of the give you all the information needed to install and operate the product. - Page 6 AHR-1 Plus Installation and Operation Manual RJ45 Jacks (Audio and Power IN/OUT) The AHR-1 Plus has two RJ45 jacks that follow standard for audio and power over Cat5/6 cabling. This allows the AHR-1 Plus to be connected to and powered from legacy Broadcast Tools FlexPhones Master systems as well as for custom installa- tions using RJ-45 connectors for audio and/or power.
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Page 7: Specifications
AHR-1 Plus Installation and Operation Manual Specifications -15 to +4 dBu nominal. MIL+21dBu, balanced, bridging 10k . Input Level Frequency Response 20Hz to 20 kHz; +/- .0.25dB Signal/Noise Ratio >85 dB nominal, weighted 10 to 22Khz. Distortion 0.005% THD, nominal. -
Page 8: Warranty
If Broadcast Tools is notified, in writing, of a failure of any item manufactured by Broadcast Tools to conform to the foregoing Limited Warranty within one (1) year following the date of the Buyer’s acquisition of the item, and if the item is returned to Broadcast Tools in accordance with Broadcast Tools’... - Page 9 AHR-1 Plus Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
- Page 10 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
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Page 11: Functional Diagram
AHR-1 Plus Product_Name Installation and Operation Manual Active Headphone Remote Functional Diagram Headphone 1/4” T/R/S Jack 3.5mm/1/8” Left Balanced Input Headphone Stand-Alone Level RJ-45 Headphone Jack 1/4” 2x CAT5/6 1/4” T/R/S Right Balanced Input Stand-Alone +15VDC PS1515 -15VDC Power Supply...
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