Technical Data - Bosch Plena Installation And User Instructions Manual

Plena Voice Alarm System | Installation and User Instructions | Equipment
7.3

Technical data

7.3.1 Electrical
Voltage range:
24 V(DC), +20%/-10%, supplied by LBB1990/00 or
external power source.
Current consumption:
< 30 mA
7.3.2 Performance
Nominal sensitivity:
85 dB SPL (gain preset 0 dB)
Nominal output level:
355 mV
Maximum input sound level:
110 dB SPL
Gain preset:
+6/0/-15 dB
Limiter threshold:
2 V
Compression ratio limiter:
20:1
Distortion:
< 0.6% (nominal input)
< 5% (maximum input)
Equivalent input noise level:
25 dB SPL(A)
Frequency response:
100 Hz - 16 kHz
Speech filter:
- 3 dB @ 500 Hz, high-pass, 6 dB/oct
Output impedance:
200 Ω
Bosch Security Systems | 2006-06 | 9922 141 10377 en
7.3.3 Interconnection
Type:
2x redundant RJ45 sockets to connect the call station
to the voice alarm controller with Cat-5 Ethernet
cables.
7.3.4 Environmental conditions
Operating temperature range:
-10 to +55 °C
Storage temperature range:
-40 to +70 °C
Relative humidity:
< 95%
7.3.5 General
EMC emission:
According to EN55103-1
EMC immunity:
According to EN55103-2
Dimensions:
40 x 100 x 235 (base)
390 mm stem length (with microphone)
Weight:
approx. 1 kg
en | 51