6-Zone Call Station Lbb 1946; Electrical; Performance; Selections - Bosch LBB 1925 Installation And Operating Manual

Plena System Pre-amplifier | Installation and Operating Manual |

9.3 6-zone call station LBB 1946

9.3.1 Electrical

Power supply
Voltage range
Current consumption

9.3.2Performance

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

9.3.3Selections

Chimes
Priorities
9.3.4Environmental conditions
Operating temperature range
Storage temperature range
Relative humidity

9.3.5General

EMC emission
EMC immunity
Dimensions
Weight
Cable length
Bosch Security Systems | 2003-09 | 3922 988 99483en
Technical data
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
< 95%
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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