28 en Technical Data | LC1 Modular Ceiling Loudspeaker Range |
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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
6W 12W
3W 6W
1.5W 3W
-1.5W
70V 100V
4 
Circuit diagram
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| Octave band sensitivity |
| All measurements are done with a pink noise signal. The values are in dBSPL |
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| 125Hz | 250Hz | 500Hz | 1000Hz | 2000Hz | 4000Hz | 8000Hz |
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| Octave SPL 1W/1m | 89.4 | 87.3 | 86.5 | 88.6 | 90.0 | 94.0 | 93.7 |
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| Total octave SPL 1W/1m |
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| 88.9 | 90.3 |
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| Total octave SPL Pmax/1m |
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| 99.3 | 100.2 |
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| Octave band opening angles |
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| 125Hz | 250Hz | 500Hz | 1000Hz | 2000Hz | 4000Hz | 8000Hz |
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| Horizontal opening angle | 180 | 180 | 180 | 180 | 108 | 64 | 62 |
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| Vertical opening angle | 180 | 180 | 180 | 180 | 108 | 64 | 62 |
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F.01U.076.021 V1.0 2012.04 | Product Information & Installation Manual | Bosch Security Systems B.V. |