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General specifications

OutlineIMX644
Mixing capabilityMixing channels6 Mono + 4 Stereo
MAIN2x Stereo, 2x Mono
Input channel functionsMono channel: 3-band PEQ, Feadback Suppressor; Stereo channel: 2-band PEQ
Output channel functions6-band PEQ, Delay
On-board processorsPriority ducking, Music override
I/OMic inputs6
Phantom power+48V DC; ON/OFF: per channel
Line inputs4x Stereo
AD converter24-bit; 64-time over sampling
Line outputs6x Bus output, Rec out
DA converter24-bit; 128-time over sampling
Digital I/OOptical I/O with SRC
Control and othersUSB, Remote, GPI
General specificationsIMX644
Sampling frequency rateInternal48kHz
Signal delayLess than 2.5ms
Total harmonic distortionLess than 0.1%
Frequency response0, +0.5, -1.5dB; 20Hz-20kHz
Hum & noise levelEquivalent input noise-120dBu
Residual output noise-82dBu
CrosstalkLess than -70dB
Heat dissipation18.06kcal/h
Power requirements100-240V; 50/60Hz
Power consumption21W
DimensionsW480mm; 18-7/8in
H88mm; 3-7/16in
D366.9mm; 14-7/16in
Net weight5.4kg; 11.9bs
AccessoriesOwner’s Manual, AC power cord, 4x Rubber feet, 12x 3-pin Euroblock plug

Analog input characteristics

Terminal PAD GAIN Actual load inpedance For use wth nominal Input level Connector
Nominal Max. before clip
MONO INPUT
[1-6]
OFF MAX 2.5kΩ 50-600 Ω Mics & 600Ω lines -54dBu -40dBu Euroblock*
MIN -30dBu -16dBu
ON MAX 20kΩ -20dBu -6dBu
MIN +4dBu +18dBu
STEREO INPUT
[1 L/R, 2 L/R, 3 L/R, 4A L/R]
20kΩ 600Ω Lines -4dBV +10dBV RCA pin jack**

* Balanced; **Unbalanced
0dBu=0.775Vrms; 0dBV=1.00Vrms

Analog output characteristics

Terminal Actual source impedance For use with nominal Output level Connector
Nominal Max. before clip
OUTPUT [1 A/B, 2 A/B, 3, 4] 900Ω 10kΩ Lines +4dBu +18dBu Euroblock*
REC OUT [L,R] 450Ω 10kΩ Lines -4dBV +10dBV RCA pin jack**

* Balanced; **Unbalanced
0dBu=0.775Vrms; 0dBV=1.00Vrms

Terminal Format Data lenbth Level Connector STEREO INPUT [4B] JEITA CP-1212 24bit -21 ~ -15dBm OPTICAL
REC OUT

* 0dBm=1mW

Control I/O Characteristics

Terminal Format Level Connector
GPI INPUT Mechanical "make" contact Compatible with open collector output D-sub 25 pin (Female)
OUTPUT - Open collector
POWER MONITOR - Open collector
REMOTE RS-232C RS-232C D-sub 9 pin (Male)
USB USB 1.1 Function - Type B

INPUT: 8 ports, OUTPUT: 8 ports

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