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Behringer GEQ3102 manual

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Table of contents for the manual

  • Page 1

    www.behringer.com Version 1.1 July 2000 Users Manual ULTRA-GRAPH ® PRO GEQ3102 ENGLISH[...]

  • Page 2

    2 UL TRA-GRAPH PRO GEQ3102 This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure - voltage that may be sufficient to constitute a risk of shock. This symbol, wherever it appears, alerts you to important operating and maintenance instructions in the accompanying literature. Read the manual[...]

  • Page 3

    3 UL TRA-GRAPH PRO GEQ3102 FOREWORD Dear Customer, Welcome to the team of ULTRA-GRAPH PRO users and thank you very much for expressing your confidence in BEHRINGER products by purchasing the GEQ3102. It is one of my most pleasant tasks to write this letter to you, because it is the culmination of many months of hard work delivered by our engineerin[...]

  • Page 4

    4 UL TRA-GRAPH PRO GEQ3102 GEQ3102 ULTRA-GRAPH PRO Ultra-musical 31-Band Stereo Graphic Equalizer s Delivers outstanding equalization both in live applications and in the studio s For gentle contouring and audio sweetening in audio post-production and recording studios s Perfectly suited for room equalization and extreme corrective surgery e.g. not[...]

  • Page 5

    5 UL TRA-GRAPH PRO GEQ3102 T ABLE OF CONTENT 1 . INTRODUCTION . . ................................................................................................................... 6 1. 1 The design concept .......................................................................................................... ............... 6 1. 2 Before you b[...]

  • Page 6

    6 UL TRA-GRAPH PRO GEQ3102 1 . INTRODUCTION Thank you very much for expressing your confidence in BEHRINGER products by purchasing the ULTRA-GRAPH PRO GEQ3102. With the ULTRA-GRAPH PRO you have acquired an extremely musical and flexible 31-band Graphic Equalizer. This 2-channel high-end EQ is based on many years of experience and know-how gathered [...]

  • Page 7

    7 UL TRA-GRAPH PRO GEQ3102 You will find additional information in chapter 4 INSTALLATION. 1. 3 Control elements Fig. 1.1: The front panel of the UL TRA-GRAPH PRO The front panel of the BEHRINGER ULTRA-GRAPH PRO features six controls, six switches and 2 x 31 slide controls. Additionally, the GEQ3102 is equipped with two 12-digit LED meters. A[...]

  • Page 8

    8 UL TRA-GRAPH PRO GEQ3102 + Use the high and low cut filters as highly efficient tools to limit the frequency range to be processed. 7 The RANGE switch allows you to switch over between maximum boost/cut in each frequency band, from 12 dB to 6 dB (switch pressed). 8 These are the 31 SLIDE CONTROLS for each frequency band. If set to flat (0),[...]

  • Page 9

    9 UL TRA-GRAPH PRO GEQ3102 2. 1 Master equalizer in sound reinforcement systems This is the ULTRA-GRAPH PROs probably most common field of application. Fig. 2.1: The UL TRA-GRAPH PRO as a master equalizer Please note the following points to achieve optimum results: Practice has shown that it will be useful to listen to some unprocessed mus[...]

  • Page 10

    10 UL TRA-GRAPH PRO GEQ3102 + Good equalizer settings require time and patience! If you need to use extreme EQ settings to achieve an acceptable frequency response, the reason might be some serious misalignment of sound reinforcement system or room acoustics. Equalizers cannot make up for poor audio systems, but they are extremely useful and effici[...]

  • Page 11

    11 UL TRA-GRAPH PRO GEQ3102 2. 3 Using the ULTRA-GRAPH PRO in the studio In the studio you can use your ULTRA-GRAPH PRO in a variety of further applications. Your imagination is the only limit. Here are just a few examples: Equalizing monitoring speakers: You can graphically equalize your monitoring speakers. Additionally, narrow-band room resonanc[...]

  • Page 12

    12 UL TRA-GRAPH PRO GEQ3102 3. 2 Effects of equalization on music program Center freque ncy (Hz) 1/3 octave Effects on mu sic 31 to 63 Fundam entals of bas s drum , tuba, do uble bass and organ. Thes e frequenc ies give m usic a se nse of power. If over - em phasised they mak e the music "m uddy". The 50 or 60 Hz band is also used to reje[...]

  • Page 13

    13 UL TRA-GRAPH PRO GEQ3102 Be sure that there is enough space around the unit for cooling and please do not place the ULTRA-GRAPHPRO on high temperature devices such as power amplifiers etc. to avoid overheating. 4. 2 Mains connection Please ensure that the ULTRA-GRAPH PRO is set to the correct supply voltage before connecting the unit to the A[...]

  • Page 14

    14 UL TRA-GRAPH PRO GEQ3102 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 / Shield Sleeve = Ground / Shield Tip Ti p Sleeve Sleeve Strain relief clamp Strain relief clamp Ring = cold (-ve) For connect[...]

  • Page 15

    15 UL TRA-GRAPH PRO GEQ3102 5. SPECIFICATIONS AUDIO INPUT Connectors XLR and 1/4" jack T ype RF filtered, servo-balanced input Impedance 50 kOhm balanced, 25 kOhm unbalanced Max. input level +21 dBu balanced and unbalanced CMRR typ. 40 dB, > 53 dB @ 1 kHz AUDIO OUTPUT Connectors XLR and 1/4" jack T ype electronically servo-balanced out[...]

  • Page 16

    16 UL TRA-GRAPH PRO GEQ3102 6 . WARRANTY 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 S[...]