Bosch Plena LBB 1925 Installation And User Instruction page 51

6-zone call station LBB 1946
Electrical
Power supply
Voltage range
Current consumption
Performance
Nominal sensitivity
Nominal output level
Maximum input sound level
Gain preset
Limiter threshold
Compression ratio limiter
Distortion
Equivalent input noise level
Frequency response
Speech filter
Output impedance
Selections
Chimes
Priorities
Environmental conditions
Operating temperature range
Storage temperature range
Relative humidity< 95%
General
EMC emission
EMC immunity
Dimensions
Weight
Cable length
PLENA SYSTEM PRE-AMPLIFIER AND CALL STATIONS
18 to 24 V (24 V supplied by LBB1925/10)
< 30 mA
85 dB SPL (gain preset 0 dB)
700 mV
110 dB SPL
+6/0/-15 dB
2 V
1:20
< 0.6% (maximum input)
25 dBA SPL
100 Hz to 16 kHz
-3 dB at 315 Hz, high-pass, 6 dB/oct
200 Ohm
18 different combinations
2 different priorities
-10 to +55°C
-40 to +70°C
acc. to EN 55103-1
acc. to EN 55103-2
40 x 100 x 235 mm (base)
390 mm stem length (with microphone)
approx. 1 kg
5 m (may be extended up to 500 m
using CAT-5 style shielded cable)
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