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