28 en Technical Data

LC1 Modular Ceiling Loudspeaker Range

 

 

3.5.4LC1-UM12E8

129 mm (5.07 in)

220 mm (8.67 in)

23 mm (0.9 in) 106 mm (4.17 in)

Dimensions

Common

Phase

Earth

Common

12W -W

6W 12W

3W 6W

1.5W 3W

-1.5W

70V 100V

4

Circuit diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

Octave band sensitivity

 

All measurements are done with a pink noise signal. The values are in dBSPL

 

 

 

125Hz

250Hz

500Hz

1000Hz

2000Hz

4000Hz

8000Hz

A-weighted

lin-weighted

 

 

Octave SPL 1W/1m

89.4

87.3

86.5

88.6

90.0

94.0

93.7

 

 

 

 

Total octave SPL 1W/1m

 

 

 

 

 

 

 

88.9

90.3

 

 

Total octave SPL Pmax/1m

 

 

 

 

 

 

 

99.3

100.2

 

 

 

 

 

 

 

 

 

 

 

 

 

Octave band opening angles

 

 

 

 

 

 

 

 

 

 

 

125Hz

250Hz

500Hz

1000Hz

2000Hz

4000Hz

8000Hz

 

 

 

 

Horizontal opening angle

180

180

180

180

108

64

62

 

 

 

 

Vertical opening angle

180

180

180

180

108

64

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F.01U.076.021 V1.0 2012.04

Product Information & Installation Manual

Bosch Security Systems B.V.

Page 28
Image 28
Bosch Appliances installation manual 4LC1-UM12E8