DEVICE DESCRIPTIONS
PROMATRIX System User Handbook 1.1 5-7
5.1.4 Specifications
Supply voltage 24 V DC (21.6 ... 31.2 V DC)
Nominal power consumption 500 mA
Maximum power consumption 6.7 A
Audio section
Inputs see specifications of the corresponding input module
Outputs see specifications of the corresponding output module
Frequency Response 20 Hz ... 20 kHz, ± 0.5 dB
S/N ratio > 100 dB (A-weighted)
Distortion < 0.01 %
24 V output 24 V DC / 400 mA max. (21.6 ... 31.2 V DC)
Ready output floating relay contacts, 1 A / 24 V DC
Logic inputs 2, floating via opto-coupler, bi-pole
Voltage with input OFF (LOW) UIN < ± 5 V
Voltage with input ON (HIGH) UIN > ± 10 V
Maximum input voltage UIN max = ± 31 V
DCF77 input 2-pole, for the NRS 90193, DCF 77 receiver
RS-232 interface 19,200 Baud, 8 data bits, 1 stop bit, no parity, Xon/Xoff
Remote interface
Serial port RS-485 standard
Supply output short-circuit-proof, electronically programmable fuse
Supply voltage 24 V DC (21.6 ... 31.2 V DC)
Nominal current 330 mA, 660 mA, 990 mA (selectable, electronic fuse)
Monitor input electronically balanced, transformer optionally available
Nominal input level +2.2 dBu / 1 V
Max. input level +10 dBu / 2.5 V
Input balance > -30 dB
Monitor output 6.3 mm phone jack, either for the connection of headphones or speakers
Output level with headphones: 650 mV / -1.5 dBu
with loudspeakers: 1.8 V / 7.2 dBu
Output power handling with headphones: 50 mW / 8 Ω
with loudspeakers: 380 mW / 8 Ω
Operating temperature range +5 °C ... +40 °C
Dimensions W x H x D 19“, 2 HE 483 x 88 x 337 mm
Installation depth 340 mm (410 mm incl. connectors)
Weight 6.4 kg
Optionally available extensions NRS 90208 input transformer for 1 monitor input, order no. 121 641
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