10. SPECIFICATIONS

10.1 Specifications

Supply Voltage 24 V DC (21.6 .. 31.2 V DC)
Nom. Power Consumption (24 V) 700 mA
Max. Power Consumption (24 V) 975 mA
Audio Inputs 4 x MIC / LINE, 4 x AUX, 1 X MIX IN
MIC/LINE Inputs XLR-type connectors, electronically balanced,
transformer optionally available
Nom. Input Level MIC: -60 .. -10 dBu / 0.8 mV .. 245 mV
LINE: -30 .. +20 dBu / 25 mV .. 7.75 V
Max. Input Level MIC: +11 dBu / 2.75 V
LINE: +30 dBu / 24.5 V
Input Impedance MIC: 3.6 k ohms
LINE: 10 k ohms
Common Mode Rejection > 50 dB
Limiter Operating Range -10 dBu .. +20 dBu (MIC/LINE 1 & 2)
AUX Inputs 2 x RCA-type connectors each, unbalanced
Nom. Input Level -6 dBu respectively +4 dBu / 390 mV respectively 1.23 V,
internally configurable
Max. Input Level +15 dBu respectively +25 dBu / 4.4 V respectively 13.8 V
Input Impedance > 19 k ohms
MIX Input 2 x Cinch, unbalanced
Nom. Input Level 0 dBu / 775 mV
Max. Input Level +21 dBu / 8.7 V
Input Impedance 22 k ohms
Audio Outputs
Master Output A/B XLR-type connectors, electronically balanced,
transformer optionally available
Nom. Output Level 0 dBu / 775 mV
Max. Output Level +21 dBu / 8.7 V
Output Impedance < 120 ohms
Nom. Load Impedance 600 ohms
Send Output 2 x RCA-type connectors, unbalanced
Nom. Output Level 0 dBu / 775 mV
Max. Output Level +21 dBu / 8.7 V
Output Impedance < 100 ohms
Direct Outputs Phoenix Micro-Combicon pin terminal, unbalanced
Nom. Output Level 0 dBu / 775 mV
Max. Output Level +21 dBu / 8.7 V
Output Impedance < 100 ohms
Frequency Response 20 Hz - 20 kHz (- 1.0 dB)
S/N Ratio > 100 dB
THD MIC/LINE < 0.03 % (without transformer)
< 0.08 % (with transformer)
THD AUX < 0.01 %
Tone Control LO ± 15 dB / 60 Hz
HI ± 15 dB / 13 kHz
Low Cut 85 Hz / 12 dB per octave slope
Environmental temperature +5°C.....+40°C
Dimensions 483 x 43.6 x 351 (W x H x D in mm), 19", 1HU
Weight 4.7 kg / 10.4 lbs
Extensions NRS 90233 input transformer (121 682)
NRS 90227 output transformer (121 679)
NRS 90257 mains adapter (121 789)
NRS 90256 RS-485 interface (121 785)
NRS 90258 RS-232 interface (121 790)
Subject to change without prior notice
SPECIFICATIONS
10-1