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Behringer MX2004A manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    www.behringer.com Version 1.1 March 2001 User’s Manual ENGLISH EURORACK ® MX2004A[...]

  • Page 2

    2 EURORACK MX2004A This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclo- sure—voltage that may be sufficient to constitute a risk of shock. This symbol, wherever it appears, alerts you to important operating and mainte- nance instructions in the accompanying literature. Read the manual. SA[...]

  • Page 3

    3 EURORACK MX2004A FOREWORD Dear Customer, Welcome to the team of EURORACK users and thank you very much for expressing your confidence in BEHRINGER products by purchasing this unit. 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 engineering team to reach a[...]

  • Page 4

    4 EURORACK MX2004A EURORACK MX2004A Ultra low-noise 20-channel, 4-bus mixer s 8 mono input channels with gold-plated XLRs and phone connectors s 4 stereo input channels with balanced TRS connectors s 2 additional multi-functional stereo aux returns s Pre and post-fader aux sends for external effects devices and monitoring s Master aux sends with ga[...]

  • Page 5

    5 EURORACK MX2004A T ABLE OF CONTENTS 1 . INTRODUCTION ..................................................................................................................... 7 1. 1 Architecture ................................................................................................................ .................... 7 1. 2 Before you begin[...]

  • Page 6

    6 EURORACK MX2004A 7 . TECHNICAL BACKGROUND .............................................................................................. 20 7. 1 Mixing ...................................................................................................................... ..................... 2 0 7.1.1 Equalization ................................[...]

  • Page 7

    7 EURORACK MX2004A 1. INTRODUCTION Congratulations. In purchasing our EURORACK you have acquired a mixer with incredible versatility and audio performance. Your EURORACK is built to the same outstanding quality as our top-of-the range console, the BEHRINGER EURODESK MX9000. Later we will see how adding the BEHRINGER ULTRALINK PRO MX882 to your syst[...]

  • Page 8

    8 EURORACK MX2004A 1.2 Before you begin 1.2.1 PSU (power supply unit) Any amplifier circuit is limited in its transient response by the available current. Every mixer has numerous line level operational amplifiers (op-amps) inside. When being driven hard, many desks begin to show signs of stress due to power supply limitations. Not so with the EURO[...]

  • Page 9

    9 EURORACK MX2004A For level-setting (as opposed to localized listening) select the mono PFL bus rather than the post-fader (post- channel pan) stereo solo bus (CHANNEL MODE global switch up). PFL/solo never interrupts the mix at the main recording outputs. It follows that aux sends must also be unaffected, since they contribute directly to the mai[...]

  • Page 10

    10 EURORACK MX2004A 2.5 Insert Insert points are useful for adding dynamic processing or equalization to a channel or the mix. Unlike reverbs etc., which are usually added to the dry signal, dynamic processing is normally applied across an entire signal. Here an aux send would be inappropriate. Instead the signal is intercepted somewhere along the [...]

  • Page 11

    11 EURORACK MX2004A 4.2 Stereo aux returns There are two additional stereo line inputs (aux returns 1 and 2) on your MX2004A. Aux returns 1 is perma- nently assigned to the main mix. If you connect a jack to the left socket only, the aux return 1 operates in mono. Aux return 2 can be switched between the main mix and the cue feed (aux send 1) via a[...]

  • Page 12

    12 EURORACK MX2004A 4.5 2-track input and output Input A 2-track input, on RCA connectors / , provides easy connection to DAT and other professional or semi-professional audio equipment. The 2-track input is primarily for auditioning mix playback from tape. The switch 2 TK routes this signal to the monitors and/or phones. However, it can also be ro[...]

  • Page 13

    13 EURORACK MX2004A 5. SETTING UP 5.1 Selecting inputs 1 ) Mono channels accept microphone or line inputs. If you are using the microphone input, make sure nothing is connected to the line input (and vice-versa). + The microphone inputs are more sensitive than the line inputs. Do not connect microphones with phantom power switched on. Never use unb[...]

  • Page 14

    14 EURORACK MX2004A 5.5 Multitrack initialization Set up the multitrack so that any track in “record ready” condition has its input monitored when the tape is stationary. Place all tracks to be recorded into “record ready” status. (Once a recording has been made, these tracks should automatically switch to tape playback. Check that the inpu[...]

  • Page 15

    15 EURORACK MX2004A K e y b o a r d M ixer S ourc e Mi c /Li ne Mono/ S tereo I nput MIDI I ns t rum ent #1 Line Mono 1 MIDI I ns t rum ent #2 Line Mono 2 MIDI I ns t rum ent #3 Line Mono 3 MIDI I ns t rum ent #4 Line Mono 4 MIDI I ns t rum ent #5 Line Mono 5 MIDI I ns t rum ent #6 Line Mono 6 MIDI I ns t rum ent #7 Line Mono 7 MIDI I ns t rum ent [...]

  • Page 16

    16 EURORACK MX2004A muddy FOH sound, as well as causing a reduction in feedback thresholds. Don ’ t forget to notch out trouble- some frequencies using a graphic or parametric equalizer, or feedback destroyer (see the BEHRINGER ULTRA-CURVE PRO DSP8024 or the FEEDBACK DESTROYER PRO DSP1124P, which do all of these and more). Use the low-cut filters[...]

  • Page 17

    17 EURORACK MX2004A Fig. 6.1: Project studio setup example 6. 4 Patchbay A patchbay allows to patch the audio signals of most components in your studio from a central point and send them to other units, which makes your entire cabling better structured and is indispensable for professional work. If you want to use your studio as effectively as poss[...]

  • Page 18

    18 EURORACK MX2004A 6.4.2 Parallel Fig. 6.2: Patchbay mode “parallel” In this mode, all terminals of one module are interconnected. This configuration doesn ’ t make sense at first glance but is used to split up and send one audio signal (e.g. a ux send) to several destinations (e.g. effects devices). 6.4.3 Half-normalled Fig. 6.3: Patchbay m[...]

  • Page 19

    19 EURORACK MX2004A and outputs are positioned on top of each other. Basically, the inputs are routed to the bottom and the outputs to the top rear-wall connectors. Avoid routing digital signals over a patchbay as the pulse signal used for the transmission of such signals causes heavy interference in analog signals. Additionally, normal patchbays c[...]

  • Page 20

    20 EURORACK MX2004A thus allows for recording both to the DAT recorder and the tape deck, simply by patching it accordingly. Modules 19 & 20 (tape deck) are open, because it does not make sense connecting the inputs and outputs of the tape deck. 21 & 22 are normalled and route the DAT recorder outputs to the 2-track inputs of the mixing con[...]

  • Page 21

    21 EURORACK MX2004A voices punch through a mix in a slightly unnatural but exciting way. In general corrective EQ usually involves broadband (slope) contouring, together with narrowband notching of unwanted resonances. The narrower the notch or “ Q ” , the less the total signal will be affected. Finding bad resonances is made easier by first fr[...]

  • Page 22

    22 EURORACK MX2004A AC Power In. For connecting the mixer to the power supply unit (PSU). Always connect mixer and PSU before you connect the PSU to the mains supply. POWER switch . Once the PSU is connected to the mains supply, you may switch on your EURORACK. Allow one minute after powering up for the system to equilibrate before setting input ga[...]

  • Page 23

    23 EURORACK MX2004A Fig. 8.1: Different connector types 8. INSTALLATION[...]

  • Page 24

    24 EURORACK MX2004A 8.3 Modifications The following modifications require you to do some soldering. Attempt only if you are experienced in using an iron on PCBs. Otherwise, refer to qualified personnel. After modification the BEHRINGER warranty becomes discretionary. Links should not be threaded into holes on the PCB. They should be soldered to the[...]

  • Page 25

    25 EURORACK MX2004A 9. SPECIFICATIONS Mono input channels Mic input electronically balanced, discrete input configuration Frequency response 10 Hz to 6 0 kHz, +/- 3 dB Distortion (THD & N) 0.007% @ +4 dBu, 1 kHz, bandwidth 80 kHz Mic E.I.N. (22 Hz - 22 kHz) -129.5 dBu, 150 Ohm source -117.3 dBqp, 150 Ohm source -132.0 dBu, input shorted -122.0 [...]

  • Page 26

    26 EURORACK MX2004A 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 Spezielle Studiotechni[...]