
20
Redbox RB-DMX4 User Handbook
TECHNIC
AL SPECIFIC
A
TION
8
TECHNICAL SPECIFICATION
Technical Specification For RB-DMX4
Audio Specification
Dynamic Range:
>138dB
Distortion and Noise:
<-137dB THD + N at 1kHz, ref 0dBFS
Input & Output Impedances:
110Ω ±20% AES/EBU balanced I/O
75Ω ±5% S/PDIF unbalanced I/O
75Ω ±5% TOSlink unbalanced I/O
50Ω BNC TTL word clock input
Signal Level:
Balanced: 3V/10V peak to peak min/max
Unbalanced: Min 0.5V±20% peak to peak
Sample Frequencies:
32, 44.1, 48, 88.2, 96,176.4 or 192kHz
Bit Depth:
Up to and including 24 bit
Front Panel Operational Controls & Indicators
Digital Input Select:
AES/EBU, S/PDIF or TOSlink optical
via INPUT 1 & 2 or INPUT 3 & 4 push-buttons
Mix Control:
Output mix selection system via front panel
DIPSwitches
Input Gain:
Input gain control for four INPUT channels
via potentiometers
Monitor Select Control:
Headphone monitor channel select and output
gain via push button
Monitor Volume Control Range:
-70dB to +12dB gain
Indicators:
Input and output presence indicators via
bicolour LEDS around each push button
Rear Panel Operational Controls
Master Select:
32, 44.1, 48, 88.2, 96,176.4 or 192kHz
Frequency via rear panel DIPSwitches
Sync Source Select:
INPUT 1 & 2, INPUT 3 & 4, AES Sync, Word Clock,
Video Sync via rear panel DIPSwitches