Dynacord PROMATRIX System Reference Manual page 77

5.4.7 DCS 420 PROMATRIX MONITOR MANAGER
This monitor module (2 HU) is for mounting in PA-system rack-shelves. It is used for acoustically and optically
monitoring power amplifier outputs (monitoring) as well as for pre-listening to DPM 4000 input signals in a
PROMATRIX system installation. The DCS 401 controller controls the DCS 420.
Features
• Loudspeaker 1W
• 6.3 mm stereo phone-type headphones jack
• 3-digit 7-segment display for source selection and volume setting
• LED-bar graph meter instrument for monitoring and setting audio levels
• Input transformers allow galvanic separation of the audio signal path
• Detachable mounting plate for installing different connectors of the PA-central unit
• Selector switch for selecting external or internal (from the DCS401) supply voltage sources
Mounting the module and establishing the connections are solely admissible when performed in accordance to
VDE 0100 and EN 60065 regulations.
Specifications:
Operating voltage
Operating current
Standby operating current (dark)
Operating temperature range
Dimensions (W x H x D) 19" 2HU
Weight
Audio input:
Input voltage (0 dB LED)
Max. input voltage
Input impedance
Audio output:
Monitor loudspeaker
Output voltage, phones max.
Output impedance, phones
Frequency response, phones jack
S/N ratio
Distortion
PROMATRIX System User Handbook 1.1
Installation Note
24V DC, -10 / +30%
250 mA (max)
75 mA
+5° C ... +40° C
483 x 88 x 103 mm
2.1 kg
650 mV / -1.5 dBu
5.0 V / +16 dBu
2 k ohms
1 W
2 V / 8.2 dBu
10 Ohm
20Hz ... 20kHz, -3dB
> 80 dB
1% (1kHz)
DEVICE DESCRIPTIONS
5-65