
2 | LBB 1946/00 Plena Six-zone Call Station
Technical Specifications
Electrical
Power Supply
Voltage Range 18 to 24 V (24 V supplied by
LBB 1925/10)
Current consumption <30 mA
Performance
Nominal sensitivity 85 dB SPL (gain preset 0 dB)
Nominal output level 700 mV
Maximum input sound level 110 dB SPL
Gain preset +6 / 0 / -15 dB
Limiter threshold 2 V
Compression ratio limiter 1:20
Distortion <0.6% (maximum input)
Input noise level (equiv.) 25 dB SPLA
Frequency response 100 Hz to 16 kHz
Speech filter -3dB @ 315 Hz, high-pass, 6 dB/oct
Output impedance 200 ohm
Selections
Chimes 18 different combinations
Priorities 2 different priorities
Mechanical
Base dimensions (H x W x D) 40 x 100 x 235 mm (1.57 x 3.97 x 9.25
in)
Weight Approx. 1 kg (2.2 lb)
Color Charcoal with silver
Stem length with mic 390 mm (15.35 in)
Cable length 5 m (16.4 ft)
Environmental
Operating temperature -10 ºC to +55 ºC (14 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
Ordering Information
LBB 1946/00 Plena Six-zone Call Station
metal base design, a flexible microphone
stem, and a unidirectional condenser micro-
phone. It can make calls to selected zones
(one to six and all-call).
LBB1946/00
Americas:
Bosch Communications Systems
12000 Portland Avenue South
Burnsville, Minnesota 55337, USA
Phone: +1-800-392-3497
Fax: +1-800-955-6831
www.boschsecurity.com
Europe, Middle East, Africa:
Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
www.boschsecurity.com
Asia-Pacific:
Robert Bosch (SEA) Pte Ltd
11 Bishan Street 21
Singapore 573943
Phone: +65 6571 2600
Fax: +65 6571 2698
www.boschsecurity.com
Represented by
© Bosch Security Systems Inc. 011 | Data subject to change without notice
T866494731 | Cur: en-US, V25, 27 Jan 2011
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