Technical Data; Internal Power Amplifier - Bosch Plena Installation And User Instructions Manual

Plena Voice Alarm System | Installation and User Instructions | Equipment
5.4

Technical data

5.4.1 Electrical
Mains voltage:
230/115 V(AC), ± 10%, 50/60 Hz
Mains current:
0.3 A (system idle)
4.0 A (maximum load)
Max. mains inrush current:
6.3 A (for mains voltage of 220 - 240 V)
10 A (for mains voltage of 100 - 120 V)
Battery voltage:
20.0 to 26.5 V(DC)
Battery current:
0.9 A (system idle)
14 A (maximum load)
Note
Maximum load means maximum power out,
maximum load 24 V(DC) out and maximum
number of call stations.
Bosch Security Systems | 2006-06 | 9922 141 10377 en
5.4.2 Message manager
Data format:
WAV-file, 16-bit PCM, mono
Supported sample rates (fs):
24 kHz, 22.05 kHz, 16 kHz,
12 kHz, 11.025 kHz, 8 kHz
Frequency response:
@ fs = 24 kHz, 100 Hz - 11 kHz (+1/-3 dB)
@ fs = 22.05 kHz, 100 Hz - 10 kHz (+1/-3 dB)
@ fs = 16 kHz, 100 Hz - 7.3 kHz (+1/- 3 dB)
@ fs = 12 kHz, 100 Hz - 5.5 kHz (+1/-3 dB)
@ fs = 11.025 kHz, 100 Hz - 5 kHz (+1/-3 dB)
@ fs = 8 kHz, 100 Hz - 3.6 kHz (+1/-3 dB)
Distortion:
< 0. 1 % @ 1 kHz
Signal-to-noise ratio (flat at max. volume):
> 80 dB
Memory capacity:
64 Mbit Flash
Recording/playback time:
1000 s @ fs = 8 kHz to 333 s @ fs = 24 kHz
Number of messages:
max. 254 wave files
Supervision EEPROM:
continuous checksum control
Supervision DAC:
1 Hz pilot tone
Data retention time:
> 10 years
5.4.3

Internal power amplifier

Rated output power:
240 W
Frequency response:
100 Hz - 18 kHz
(+1/-3 dB, @ -10 dB ref. rated output
Distortion:
< 1% @ rated output power, 1 kHz
Signal-to-noise ratio (flat at max. volume):
> 85 dB
Supervision:
20 kHz pilot tone
Outputs:
70, 100 V screw terminal, 100 V call out
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