Bosch LC3-UC06E Product Highlights
Explore the key capabilities of the Bosch LC3-UC06E ceiling loudspeaker.
EN54-24 with Back Box
Certified EN54-24 and BS 5839-8 when installed with the LC3-CBB back box.
Line Stays Up in a Fire
Ceramic terminal, thermal fuse and heat-resistant wiring protect the loudspeaker line.
Speech and Music
86 dB SPL at 1 W, 1 m; 90 Hz to 20 kHz for speech and music reproduction.
Wide Coverage
Opening angle 180° / 85° at 1 kHz / 4 kHz.
Four Power Taps
6, 3, 1.5 and 0.75 W on 100 V, in 3 dB steps.
Spring Arms
Light ABS with integral spring arms, 167 mm cut-out, template included.
Key specs
- Taps 6 / 3 / 1.5 / 0.75 W (100 V), max 9 W
- 94 / 86 dB SPL at 6 W / 1 W (1 kHz, 1 m)
- 90 Hz to 20 kHz
- Opening angle 180° / 85°
- 167 mm cut-out, ceilings 5 to 25 mm
- Ø 180 mm, depth 63 mm, 538 g
- ABS frame and grille, UL 94 V0
- 3-pole ceramic screw terminal, thermal fuse
- RAL 9010 white
- EN54-24 and BS 5839-8 with LC3-CBB
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Electrical |
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Rated power |
6 W (6/3/1.5/0.75 W) |
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Sound pressure level at 6 W / 1 W (1 kHz, 1 m) |
94 dB / 86 dB (SPL) |
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Sound pressure level at 6 W / 1 W (1 kHz, 4 m) |
85 dB / 78 dB (SPL) |
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Effective frequency range (-10 dB) |
90 Hz to 20 kHz |
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Opening angle at 1 kHz/4 kHz (-6 dB) |
180° / 85° |
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Rated voltage |
100 V |
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Rated impedance |
1667 ohm at 6 W |
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Electrical Connection |
3‑pole ceramic screw terminal block |
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Acceptable wire gauge |
0.5 - 3 mm2 |
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Mechanical |
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Diameter |
180 mm (7.08 in) |
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Mounting cut-out |
167 mm (6.57 in) |
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Max. ceiling thickness |
5 to 25 mm (0.19 to 0.98 in) |
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Maximum depth |
63 mm (2.32 in) |
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Material (frame, front grille) |
ABS |
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Weight |
538 g (1.19 lb) |
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Color |
White (RAL 9010) |
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Environmental |
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Operating temperature |
-25 ºC to +55 ºC (-13 ºF to +131 ºF) |
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Storage temperature |
-40 ºC to +70 ºC (-40 ºF to +158 ºF) |
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Relative humidity |
<95% |
