Behringer MDX4400 ユーザーズマニュアル
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