Technical Data; Lbb1956/00; Electrical; Performance - Bosch Plena LBB1990/00 System Manual

Plena Voice Alarm System | Basic System Manual | Technical Data
6

Technical data

6. 1

LBB1956/00

6.1.1

Electrical

Voltage range:
24 V(DC), +10%/-20%, supplied by LBB1990/00 or
external power source.
Current consumption:
< 30 mA
6.1.2

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
6.1.3

Interconnection

Type:
2x redundant RJ45 sockets to connect the call station
to the voice alarm controller with Cat-5 Ethernet
cables.
Bosch Security Systems | 2005-04 | 9922 141 10364en
6.1.4

Environmental conditions

Operating temperature range:
-10 to +55 °C
Storage temperature range:
-40 to +70 °C
Relative humidity:
< 95%
6.1.5

General

EMC emission:
According to EN55103-1
EMC immunity:
According to EN55103-2
Dimensions:
40 x 100 x 235 mm (base)
390 mm stem length (with microphone)
Weight:
approx. 1 kg
6.2

LBB1990/00

6.2.1 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.
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