Instruction/ maintenance manual of the product A4400 Behringer
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1 E User´s Manual Bedienungsanleitung D POWERPLAY PRO HA4400 Version 1.0 August 1998 www.behringer.de.
2 acc. to the Directives 89/336/EWG and 73/23/EWG We, BEHRINGER INTERNA TIONAL GmbH Hanns-Martin-Schleyer-Straße 36-38 D - 47877 Willich Name and address of the manufacturer or the introducer of the .
3 E This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure - voltage that may be sufficient to con- stitute a risk of shock. This symbol, wherever it appears, alerts you to important operating and mainte- nance instructions in the accompanying literature.
4 HA4400 POWERPLAY PRO Professional, multi-purpose headphone amplifier system for stage and studio applications s Four totally independent stereo high-power amplifiers in 1 RU package s Highest sonic .
5 E FOREWORD Dear Customer, Welcome to the team of POWERPLAY PRO users and thank you very much for expressing your confidence in BEHRINGER products by purchasing this unit.
6 T ABLE OF CONTENT 1. INTRODUCTION ................................................................................................................. ..... 7 2. THE DESIGN CONCEPT .......................................................................
7 E 1. INTRODUCTION In purchasing the new POWERPLAY PRO HA4400, you have acquired a headphone amplifier of the high-end class which meets all the demands and requirements of studio work. Due to its extensive functions and the new design the POWERPLAY PRO is an extremely efficient and universal headphone amplifier.
8 WARNING! + It should be pointed out, that extreme output volumes may damage your ears and/or your headphone set. Turn down the LEVEL controls before you switch on the unit. + The following operational manual will introduce you to the BEHRINGER POWERPLAY PRO and its various functions.
9 E 3. 3 Audio connections The MAIN inputs on the BEHRINGER POWERPLAY PRO are fully balanced. If possible, connect the unit to other devices in a balanced configuration to allow for maximum interference immunity. + Please ensure that only qualified persons install and operate the POWERPLAY PRO.
10 Unbalanced use of mono 1/4" jack plugs Ring Balanced use of stereo 1/4" jack plugs Balanced use with XLR connectors 1 2 3 2 1 3 Input Output Tip = Signal Tip = hot (+ve) Sleeve = Ground /.
11 E 4.1 The front panel control elements Fig. 4.2: Controls on the front panel 1 The DIRECT IN stereo input is used to apply the signals coming from an external source. When using the DIRECT IN input, the MAIN signal applied on the rear panel is interrupted automatically (fig.
12 4.2 The elements of the rear control panel Fig. 4.3: The control elements of the rear panel 12 FUSE HOLDER / VOLTAGE SELECTOR . Please make sure that your local voltage matches the voltage indicated on the unit, before you attempt to connect and operate the POWERPLAY PRO.
13 E Fig. 5.1: Example of a studio playback application 5.2.1 Using the amplifiers as independent power amplifiers In addition to the joint control of all channels via the MAIN input, each of the four power amplifiers can also be used independently. The AUX IN inputs in combination with the BALANCE controls serve this purpose.
14 5.3 Using the DIRECT IN input The DIRECT IN connector can be found on the left side of the front panel. For instance, it is often necessary to replay a song for the musicians in the studio via a cassette recorder. This can be done easily and rapidly using the DIRECT IN connector.
15 E 5.6 Connecting multiple headphones All of the four stereo amplifiers feature one front and one rear panel headphone output connector. Multiple headphones can be connected per channel, on condition that the resulting connection impedance does not fall below 100 Ohms.
16 6. SPECIFICATIONS AUDIO INPUT MAIN input Connectors XLR and 1/4" jack T ype RF filtered, servo balanced input Impedance 50 kOhms balanced, 25 kOhms unbalanced Max.
17 E The information contained in this manual is subject to change without notice. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording of any kind, for any purpose, without the express written permission of BEHRINGER GmbH.
An important point after buying a device Behringer A4400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Behringer A4400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Behringer A4400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Behringer A4400 you will learn all the available features of the product, as well as information on its operation. The information that you get Behringer A4400 will certainly help you make a decision on the purchase.
If you already are a holder of Behringer A4400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Behringer A4400.
However, one of the most important roles played by the user manual is to help in solving problems with Behringer A4400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Behringer A4400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
