Berning MDX4600 User Manual

Technical Specifications

Version 1.1 September 2002

VERSION 1.2 September 2002

ENGLISH

ENGLISH

MULTICOM PRO-XL MDX4600

www.behringer.com

MULTICOM PRO-XL MDX4600

MULTICOM PRO-XL

INTERACTIVE REFERENCE-CLASS 4-CHANNEL EXPANDER/GATE/COMPRESSOR/ PEAK LIMITER WITH
DYNAMIC ENHANCER AND LOW CONTOUR FILTER

MDX4600

Switchable IKA (Interactive Knee Adaptation) program-adaptive compression circuitry combines the =
advantages of hard-knee and soft-knee characteristics

IRC (Interactive Ratio Control) expander/gate circuitry for virtually inaudible noise suppression =

Switchable dynamic Enhancer for brilliant, lively audio even with heavy compression =

IGC (Interactive Gain Control) peak limiting circuitry combines clipper and program limiter for reliable =
and inaudible protection against signal peaks

Switchable Low contour fi lter prevents “pumping” due to low-frequency dominated compression =

Stereo couple function selectable for channels 1/2 and 3/4 =

Ultra low-noise 4580 operational amplifi ers and state-of-the-art VCA’s =

Separate 8-segment LED meters for input/output levels and gain reduction =

Selectable operating level (+4 dBu/-10 dBV) =

Servo-balanced inputs and outputs with ¼” TRS and gold-plated XLR connectors =

High-quality components and exceptionally rugged construction ensure long life =

Conceived and designed by BEHRINGER Germany =

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SPECIFICATIONS

MULTICOM PRO-XL MDX4600

AUDIO INPUTS

Type XLR and 1/4" TRS connectors,

Impedance

+4 dBu 90 kΩ bal., 45 kΩ unbal. @ 1 kHz

-10 dBV 180 kΩ bal., 90 kΩ unbal. @ 1 kHz

Operating level +4 dBu/-10 dBV (switchable)
Max. input level +22 dBu balanced and

CMRR typ. 40 dB, >60 dB @ 1 kHz

AUDIO OUTPUTS

Type XLR and 1/4" TRS connectors

Impedance 95 Ω bal., 50 Ω unbal. @ 1 kHz
Max. output level +21 dBu, +20 dBm balanced

SIDECHAIN INPUTS

Type 1/4" TS connector, unbalanced,

Impedance 45 k
Max. input level +24 dBu

SIDECHAIN OUTPUTS

Type 1/4" TS connector, unbalanced,

Impedance 50 Ω
Max. output level +21 dBu

SYSTEM SPECIFICATIONS

Bandwidth 20 Hz to 20 kHz, +0/-0.5 dB
Frequency range 0.35 Hz to 200 kHz, +0/-3 dB
S/N ratio 115 dB, unweighted,

THD 0.008 % typ. @ +4 dBu, 1 kHz,

IMD 0.01 % typ. SMPTE
Crosstalk -110 dB @ 1 kHz

EXPANDER/GATE SECTION

Type IRC (Interactive Ratio Control)

Threshold variable (OFF to +10 dB)
Ratio variable (1:1 to 1:8)
Attack <1 msec/50 dB, program-

Release variable

COMPRESSOR SECTION

Type IKA (Interactive Knee

Threshold variable (-40 to +20 dB)
Ratio variable (1:1 to oo :1)
Attack/release variable (manual or automatic)
Auto characteristic wave adaptive compressor
Manual attack time variable (0.3 msec/20 dB to

Manual release time variable (0.05 sec/20 dB to

Auto attack time typ. 15 msec for 10 dB,

Auto release time program-dependent,

Output variable (-20 to +20 dB)

HF-shielded, servo-balanced

unbalanced

Electronically controlled servo­balanced output stage

and unbalanced

HF-shielded, DC-decoupled

Ω

HF-shielded, DC-decoupled

22 Hz - 22 kHz

gain 1

0.07 % typ. @ +20 dBu, 1 kHz,
gain 1

expander

dependent

SLOW: 100 msec/1 dB,
FAST: 100 msec/100 dB

Adaptation) compressor

300 msec/20 dB)

5 sec/20 dB)

5 msec for 20 dB,
3 msec for 30 dB

typ. 125 dB/sec

PEAK LIMITER SECTION

Type IGC (Interactive Gain Control)

Level variable (0 dB to OFF (+21 dBu))
Ratio oo :1
Level 1 limiter type clipper
Attack zero
Release zero
Level 2 limiter type program limiter
Attack program-dependent,

Release program-dependent,

DYNAMIC ENHANCER SECTION

Type IDE (Interactive Dynamic

Filter frequency 2.5 kHz (lower cut-off frequency)
Characteristic high-pass filter (6 dB/oct.)
Boost max. 28 dB @ 7.5 kHz

POWER SUPPLY

Mains voltage USA/Canada 120 V ~, 60 Hz

General export model 100 -120 V ~, 200 -240 V ~,

Power consumption max. 18 W

Fuse 100 -120 V ~: T 630 mA H

Mains connection standard IEC receptacle

DIMENSIONS/WEIGHT

Dimensions approx. 1 ¾" (44.5 mm) x 19"

Weight approx. 2.25 kg (4.96 lbs)
Shipping weight approx. 3.45 kg (7.61 lbs)

BEHRINGER makes every effort to ensure the highest standard of quality. Necessary
modifications are carried out without notice. Thus, the specifications and design of the
device may differ from the information given in this manual.

peak limiter

typ. <5 msec

typ. 20 dB/sec

Enhancer)

U.K./Australia 240 V ~, 50 Hz
Europe 230 V ~, 50 Hz

50 - 60 Hz

200 -240 V ~: T 315 mA H

(482.6 mm) x 8 ½" (217 mm)

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MULTICOM PRO-XL MDX4600

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 and AUTOCOM are registered trademarks. ALL RIGHTS RESERVED. THAT™ is a registered trademarks of its respective owner,

which is in no way associated or affiliated with BEHRINGER. © 2002 BEHRINGER Spezielle Studiotechnik GmbH.

BEHRINGER Spezielle Studiotechnik GmbH, Hanns-Martin-Schleyer-Str. 36-38, 47877 Willich-Münchheide II, Germany

BEHRINGER Spezielle Studiotechnik GmbH.

Tel. [phone] / 92 06-0, Fax [phone] / 92 06-30

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