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Specifications – Behringer MDX4400 User Manual

Page 23

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23

MULTICOM PRO MDX4400

7. SPECIFICATIONS

AUDIO INPUT

Connectors

XLR and 1/4" jack

Type

RF filtered, servo-balanced input

Impedance

50 kOhm balanced, 25 kOhm unbalanced

Nominal Operating Level

+4 dBu/-10 dBV switchable

Max. Input Level

+21 dBu balanced and unbalanced

CMRR

typ. 40 dB, >55 dB @ 1 kHz

AUDIO OUTPUT

Connectors

XLR and 1/4" jack

Type

Electronically servo-balanced output stage

(optional transformer-balanced).

Impedance

60 Ohms balanced, 30 Ohm unbalanced

Max. Output Level

+21 dBu, +20 dBm balanced and unbalanced

SYSTEM SPECIFICATIONS

Bandwidth

20 Hz to 20 kHz, +0/-0.5 dB

Frequency Response

0.35 Hz to 200 kHz, +0/-3 dB

Noise

>-95 dBu, unweighted, 22 Hz to 22 kHz

THD0.008 % typ. @ +4 dBu, 1 kHz, Gain 1

0.04 % typ. @ +20 dBu, 1 kHz, Gain 1

IMD0.01 % typ. SMPTE

Crosstalk

<-100 dB, 22 Hz to 22 kHz

Stereo Coupling

True RMS detection

COMPRESSOR SECTION

Type

IKA (Interactive Knee Adaptation) Compressor

Threshold

variable (-40 dB to +20 dB)

Ratio

variable (1:1 to oo:1)

Threshold characteristics

variable (Interactive or Hard Knee)

Auto characteristics

Wave Adaptive Compressor

Auto Attack Time

typ. 15 ms at 10 dB, 5 ms at 20 dB, 3 ms at 30 dB

Auto Release Time

program dependent, typ. 125 dB/s

Output

variable (-20 to +20 dB)

PEAK LIMITER SECTION

Type

IGC (Interactive Gain Control) Peak Limiter

Threshold

variable (+4 dB to OFF (+22 dBu))

Ratio

oo:1

Stage 1 Limiter Type

Clipper

Attack

“zero”

Release

“zero”

Stage 2 Limiter Type

Program Limiter

Attack

program dependent, typ. < 5 ms

Release

program dependent, typ. 20 dB/s

FUNCTION SWITCHES

INTERACTIVE

Enables the “Interactive Knee Adaptation” characteristics.

CONTOUR

Allows for frequency dependent detection.

I/O METER

Switches between input and output for the Level Meter.

IN/OUT

Bypass switch.

OPERATING LEVEL

Changes the internal reference level from +4 dBu to -10 dBV.

COUPLE

Linking channels 1&2 or 3&4 for stereo operation. Channel 1 (or 3)

becomes master.

7. SPECIFICATIONS