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Broadcast Tools HPA-4 Plus Installation And Operation Manual

4 channel headphone amplifier with talkback/cue
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Installation and Operation Manual

HPA-4 Plus
4 Channel Headphone Amplifier with Talkback/Cue
Manual Update: 09/24/2007
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.
Copyright, 1989 - 2007 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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Summary of Contents for Broadcast Tools HPA-4 Plus

  • Page 1: Installation And Operation Manual

    Manual Update: 09/24/2007 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.

  • Page 2: Safety Information

    Headphone Amplifier with Talkback/Cue which we will refer to through out the Products, as with any manual as the HPA-4 Plus. We’re confident this product will give you many years electronic device, can of dependable service. This manual is intended to give you all the information need- fail without warning.

  • Page 3: Product Description

    HPA-4 Plus Installation and Operation Manual Product Description The HPA-4 Plus with talkback/cue, powers up to four sets of headphones. Each output is supplied with a hefty stereo amplifier and may be configured to accept talkback/cue audio on the left headphone with a simple contact closure to ground.

  • Page 4: Installation

    “C-GND” Chassis GrouND terminals. The station ground should be connected to the chassis ground screw located on the far right side of the HPA-4 Plus as viewed from the rear. It is recommended that all input cables connected to the HPA-4 Plus should be looped through ferrite cores to suppress RF.

  • Page 5: Operation

    HPA-4 Plus Installation and Operation Manual Operation Program level setup: Feed normal headphone program audio into the HPA-4 Plus. Set the “INPUT” level control until the front panel “ACT” led is activated, then turn the input control another 1/4 turn clockwise. Adjust each headphone channel to a comfortable level.

  • Page 6: Specifications

    1/4“ T/R/S jacks and plug-in euroblock connectors. Power: 16 Vac @ 600ma. 120 Vac 50-60 hz transformer, supplied. Two HPA-4 Plus’s may be powered by one transformer. (CE 240 Vac 50-60 Hz optional) Size: 1/2 rack space, 8.50” x 6.50” x 1.55” (WDH), painted chas- sis with 4 –...
  • Page 7 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’...

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