Manuale d’uso / di manutenzione del prodotto A4400 del fabbricante 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Behringer A4400 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Behringer A4400 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Behringer A4400 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Behringer A4400 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Behringer A4400, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Behringer A4400.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Behringer A4400. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Behringer A4400 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
