S PECI F I C A T IO N S
10. SPECIFICATIONS
10.1 Specifications
Supply Voltage  | 
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  | 24 V DC (21.6 .. 31.2 V DC)  | 
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Nom. Power Consumption (24 V)  | 700 mA  | 
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Max. Power Consumption  | (24 V)  | 975 mA  | 
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Audio Inputs  | 
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  | 4 x MIC / LINE, 4 x AUX, 1 X MIX IN  | 
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MIC/LINE Inputs  | 
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  | transformer optionally available  | 
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Nom. Input Level  | 
  | MIC:  | 
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  | LINE:  | 
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Max. Input Level  | 
  | MIC:  | +11 dBu / 2.75 V  | 
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  | LINE:  | +30 dBu / 24.5 V  | 
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Input Impedance  | 
  | MIC:  | 3.6 k ohms  | 
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  | LINE:  | 10 k ohms  | 
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Common Mode Rejection  | > 50 dB  | 
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Limiter Operating Range  | 
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AUX Inputs  | 
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  | 2 x   | ||
Nom. Input Level  | 
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  | internally configurable  | 
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Max. Input Level  | 
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  | +15 dBu respectively +25 dBu / 4.4 V respectively 13.8 V  | ||
Input Impedance  | 
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  | > 19 k ohms  | 
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MIX Input  | 
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  | 2 x Cinch, unbalanced  | 
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Nom. Input Level  | 
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  | 0 dBu / 775 mV  | 
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Max. Input Level  | 
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  | +21 dBu / 8.7 V  | 
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Input Impedance  | 
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  | 22 k ohms  | 
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Audio Outputs  | 
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Master Output A/B  | 
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  | 
  | 
  | transformer optionally available  | 
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Nom. Output Level  | 
  | 0 dBu / 775 mV  | 
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Max. Output Level  | 
  | +21 dBu / 8.7 V  | 
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Output Impedance  | 
  | < 120 ohms  | 
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Nom. Load Impedance  | 
  | 600 ohms  | 
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Send Output  | 
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  | 2 x   | 
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Nom. Output Level  | 
  | 0 dBu / 775 mV  | 
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Max. Output Level  | 
  | +21 dBu / 8.7 V  | 
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Output Impedance  | 
  | < 100 ohms  | 
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Direct Outputs  | 
  | 
  | Phoenix   | ||
Nom. Output Level  | 
  | 0 dBu / 775 mV  | 
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Max. Output Level  | 
  | +21 dBu / 8.7 V  | 
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Output Impedance  | 
  | < 100 ohms  | 
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Frequency Response  | 
  | 20 Hz - 20 kHz (- 1.0 dB)  | 
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S/N Ratio  | 
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  | > 100 dB  | 
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THD MIC/LINE  | 
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  | < 0.03 % (without transformer)  | 
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  | < 0.08 % (with transformer)  | 
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THD AUX | 
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  | < 0 . 01 %  | 
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Tone Control  | LO  | 
  | ± 15 dB / 60 Hz  | 
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  | H I  | 
  | ± 15 dB / 13 kHz  | 
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Low Cut  | 
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  | 85 Hz / 12 dB per octave slope  | 
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Environmental temperature  | +5°C.....+40°C  | 
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Dimensions  | 
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  | 483 x 43.6 x 351 (W x H x D in mm), 19", 1HU  | ||
Weight  | 
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  | 4.7 kg / 10.4 lbs  | 
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Extensions  | 
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  | NRS 90233  | input transformer  | (121 682)  | 
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  | NRS 90227  | output transformer  | (121 679)  | 
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  | NRS 90257  | mains adapter  | (121 789)  | 
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  | NRS 90256  | (121 785)  | |
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  | NRS 90258  | (121 790)  | |
Subject to change without prior notice