Nrs 90222 Remote Module; Nrs 90208 Input Transformer For Floating, Balanced Input; Nrs 90227 Output Transformer For Floating, Balanced Monitor Output; Nrs 90224 Pilot Tone And Ground Fault Surveillance - Dynacord DPA 4120 Owner's Manual

interfering voltage (A)
features of the monitor output:
nominal output voltage
nominal load impedance
ambient temperature range
dimensions (W x H x D)
depth with / without connections
weight without extensions
finish
extension kits for the DPA 4120 and DPA 4140:

NRS 90208 input transformer for floating, balanced input

NRS 90222 remote module

NRS 90224 pilot tone & ground fault surveillance
NRS 90225 standard input module

NRS 90227 output transformer for floating, balanced monitor output

13. Extension kit specifications for the power amplifiers DPA 4120 / DPA 4140
13.1 NRS 90225 standard input module
see specifications DPA 4120 / DPA 4140
13.2 NRS 90222 remote module
see specifications DPA 4120 / DPA 4140
13.3 NRS 90208 input transformer for floating, balanced input
frequency response
input impedance
idling ratio
winding resistance; primary
winding resistance; secondary
13.4 NRS 90227 output transformer for floating, balanced monitor output
frequency response
nominal load impedance
idling ration
winding resistance; primary
winding resistance; secondary
13.5 NRS 90224 pilot tone & ground fault surveillance
13.5.1 pilot tone surveillance
pilot tone frequency
error recognition threshold
fault message output via NRS 90225
fault message output via NRS 90222
13.5.2 ground fault surveillance
input loudspeaker line 4 ohms / 50V / 70V / 100V
fault message output via NRS 90225
fault message output via NRS 90222
disruptive strength
error recognition threshold
1.2 mV = -56 dBu
electronically balanced
2 V = + 8.2 dBu
600 ohms
+5 °C .. +40 °C
483 x 132 x 345 mm
max. 400 mm / 340 mm
16.7 kg
anthracite
20 Hz .. 20 kHz
10 k ohms
1:1
1420 ohms at 20°C
1420 ohms at 20°C
40 Hz .. 20 kHz
600 ohms
1:1
18 ohms at 20°C
18 ohms at 20°C
19 kHz ± 1%
12 mV
collective fault message via READY relay
PROMATRIX manager DPM 4000
collective fault message via READY relay
PROMATRIX Manager DPM 4000
1000 Veff
50 k ohms
45
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