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Sound projector 20W metal unidirectionalLBC3432/03
en Installation Note
Sound projector 20W metal unidirectional Installation | en 3
Bosch Security Systems B.V. Installation Note 2018.06 | V1.3 |
1 Installation
100>
Fig. 1 Fig. 2
Fig. 3 Fig. 4
IN+
_IN
Fig. 5 Fig. 6
Optional
4 en | Installation Sound projector 20W metal unidirectional
2018.06 | V1.3 | Installation Note Bosch Security Systems B.V.
OUT
+_OUT 5W 10W 20W2.5W1.25W
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
Sound projector 20W metal unidirectional Technical data | en 5
Bosch Security Systems B.V. Installation Note 2018.06 | V1.3 |
2 Technical data2.1 Electrical
Rated power (PHC) 20 W
Power tapping 20 / 10 / 5 / 2.5 W(1.25 W, 70 V only)
Sound pressure levelat 20 W / 1 W (1kHz, 1 m)
107 / 94 dB (SPL)
Sound pressure levelat 20 W / 1 W (1kHz, 4 m)
95 / 82 dB (SPL)
Opening angle at 1 kHz / 4 kHz (-6 dB)
224° / 56°
Effective frequency range (-10 dB) 170 Hz to 20 kHz
Rated voltageRated impedance
70 V 100 V
20 W 250 Ohm 500 Ohm
10 W 500 Ohm 1000 Ohm
5 W 1000 Ohm 2000 Ohm
2.5 W 2000 Ohm 4000 Ohm
1.25 W 4000 Ohm N.A.
* Technical performance data acc. to IEC 60268-5
2.2 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)
6 en | Technical data Sound projector 20W metal unidirectional
2018.06 | V1.3 | Installation Note Bosch Security Systems B.V.
2.3 Environmental conditions
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage and transport temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
Water/dust protected According to EN 60529 IP66
Note:– The specification data is measured in an anechoic chamber, free field– The reference axis is perpendicular to the center point of the front grille– The reference plane is perpendicular to the center of the reference axis– The horizontal plane is perpendicular to the center of the reference plane
Figure 2.1: CE label
Sound projector 20W metal unidirectional Technical data | en 7
Bosch Security Systems B.V. Installation Note 2018.06 | V1.3 |
2.4 Additional technical data
200 (7.87)
14
6 (
5.7
5)
30.5 (1.20)
7 (0.28)
30.5 (1.20)
13
2 (
5.2
0)
157 (6.18)
10W
5W
2.5W
1.25W
0
70V
20W
10W
5W
2.5W
100V
8
20W NC
0
Dimensions mm (in) Circuit diagram
60
70
80
90
100
110
10 100 1000 10000 100000Frequency (Hz)
dB
SP
L
BOSCH
Frequency response
-30
-25
-20
-15
-10
-5
0
5
010
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160170
180190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340350
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
010
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160170
180190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340350
1000 2000 4000 8000
Polar diagram (measured with pink noise) Polar diagram (measured with pink noise)
Bosch Security Systems B.V.Torenallee 495617 BA EindhovenNetherlandswww.boschsecurity.com© Bosch Security Systems B.V., 2018