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Unidirectional Sound Projector
LBC 3432/03
en Installation Note
Page 2
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Installation
10
0
>
Fig. 1 Fig. 2
Fig. 3 Fig. 4
IN
+
_
IN
Fig. 5 Fig. 6
Optional
1
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Bosch Security Systems B.V. Installation Note 2013.05 | V1.1 |
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OUT
+
_
OUT
5W 10W 20W2.5W
1.25W
70.7V
2.5W 5W NC20W10W
100V
Fig. 7 Fig. 8
Optional
LBB4441/00
LBB4442/00
LBB4443/00
LBB4441/00
X10
+
_
X11
Fig. 9 Fig. 10
Optional Optional
LBB4442/00
+
_
X1
X3
LBB4443/00
X10
+
_
Fig. 11 Fig. 12
Optional Optional
4 en | Installation Unidirectional Sound Projector
2013.05 | V1.1 | Installation Note Bosch Security Systems B.V.
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Technical data
Electrical
Maximum power 30 W
Rated power (PHC) 20 W
Power tapping 20 / 10 / 5 / 2.5 W
(1.25 W, 70 V only)
Sound pressure level
at 20 W / 1 W (1kHz, 1 m)
107 / 94 dB (SPL)
Opening angle
at 1 kHz / 4 kHz (-6 dB)
224° / 56°
Effective frequency range (-10 dB) 170 Hz to 20 kHz
Rated voltage 70 V / 100 V
Rated impedance 250 / 500 ohm
* Technical performance data acc. to IEC 60268-5
Mechanical
Dimensions (D x L) 146 x 200 mm (5.7 x 7.9 in)
Weight 2.6 kg (5.7 lb)
Color White (RAL 9010)
Material Aluminum
Connector Screw terminal block
Cable diameter 6‑12 mm (0.24‑0.47 in)
Environmental conditions
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
Water/dust protected According to EN 60529 IP66
2
2.1
2.2
2.3
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Certification and approvals
Bosch Security Systems BV
Torenallee 49, 5617 BA Eindhoven, The Netherlands
10
1438-CPD-0328
1438
Sound Projector 20W
LBC 3432/03
Type B
EN 54-24:2008
Loudspeaker for voice alarm systems
for fire detection and fire alarm systems for buildings
CE Declaration of Conformity
2.4
6 en | Technical data Unidirectional Sound Projector
2013.05 | V1.1 | Installation Note Bosch Security Systems B.V.
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Additional technical data
200 (7.87)
146 (5.75)
30.5 (1.20)
7 (0.28)
30.5 (1.20)
132 (5.20)
157 (6.18)
10W
5W
2.5W
1.25W
0
70V
20W
10W
5W
2.5W
100V
8
20W NC
0
Dimensions Circuit diagram
60
70
80
90
100
110
10 100 1000 10000 100000
Frequency (Hz)
dB SPL
BOSCH
Frequency response
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
125
250
500
1000
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
1000
2000
4000
8000
Polar diagram (measured with pink noise) Polar diagram (measured with pink noise)
2.5
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Bosch Security Systems B.V.
Torenallee 49
5617 BA Eindhoven
The Netherlands
www.boschsecurity.com
© Bosch Security Systems B.V., 2013
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