The document provides information on the LC1 Modular Ceiling Loudspeaker Range, including details on the different housing options, specifications for the individual loudspeaker models, acoustical performance data, and accessories. It describes five housing options - the LC1-MMSB, LC1-CMR/LC1-CBB, LC1-MFD, LC1-CSMB - and four loudspeaker models - the LC1-WM06E8, LC1-UM06E8, LC1-UM12E8, and LC1-UM24E8. Technical specifications are provided for electrical performance, sound pressure levels, frequency response, voltage, impedance, and mechanical dimensions of each

1. LC1 Modular Ceiling Loudspeaker Range
Installation and User Instructions
en Loudspeakers

3. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | Content en | 3
Content
1 Housings ............................................................................................................................................................................................5
1.1 Overview ...................................................................................................................................................................................5
1.2 LC1-MMSB ..............................................................................................................................................................................6
1.3 LC1-CMR / LC1-CBB ...........................................................................................................................................................8
1.4 LC1-MFD ............................................................................................................................................................................... 10
1.5 LC1-CSMB ............................................................................................................................................................................ 12
2 Loudspeakers ................................................................................................................................................................................. 14
2.1 Overview ................................................................................................................................................................................ 14
2.1.1 Models .............................................................................................................................................................................. 14
2.1.2 Technical Specifications ............................................................................................................................................... 14
2.2 LC1-WM06E8 ...................................................................................................................................................................... 15
2.3 LC1-UM06E8 ........................................................................................................................................................................ 16
2.4 LC1-UM12E8 ........................................................................................................................................................................ 17
2.5 LC1-UM24E8 ........................................................................................................................................................................ 18
3 Acoustical Performance ............................................................................................................................................................... 19
4 Accessories .................................................................................................................................................................................... 20
4.1 Technical Specifications ..................................................................................................................................................... 20
Bosch Security Systems | 2009-01

4. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | Content en | 4
Bosch Security Systems | 2009-01

5. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 5
1 Housings
1.1 Overview
LC1-MMSB LC1-CMR / LC1-CBB LC1-MFD LC1-CSMB
Note
To be compliant with UL-1480 the loudspeaker
must be installed with the LC1-CMR including
LC1-CBB or LC1-MFD or LC1-CSMB.
Bosch Security Systems | 2009-01

6. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 6
1.2 LC1-MMSB
LC1-MMSB
1
190 mm
7.48"
2 3
4 5 Option
6 7
Bosch Security Systems | 2009-01

7. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 7
1 Line/loudspeaker
Supervision Boards:
2 LBB 4441/00
LBB 4442/00
LBB 4443/00
Pilot tone
indication board:
LC1-PIB
8
4 Option 9 Option
MIN / MAX
0,5 mm² / 3 mm²
AWG 20 / AWG 13
LC1-PIB
10 11
Standard connected to rated power at 100V
6W
3W
1.5W
1.5W 0.75W
12W
6W
3W
1.5W
70V 70V
+ + + 100V 3W 6W 12W 24W
6W
3W
0.75W
12W
6W
3W
1.5W
100V 100V
0 0 0 70V 3W 6W 12W
0 4Ω C 24W
4Ω
4Ω
C
C
0
0
12 6W 12W 24W
1
2
13 14
Bosch Security Systems | 2009-01

8. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 8
1.3 LC1-CMR / LC1-CBB
LC1-CMR / LC1-CBB
1
200 mm
7.88"
2 3
4 Option 5
1
2
Pilot tone
indication board:
LC1-PIB
6 7
4 Option
Bosch Security Systems | 2009-01

9. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 9
Line/loudspeaker
Line/loudspeaker
Supervision Boards:
Supervision Boards:
LBB 4441/00
LBB 4441/00
LBB 4442/00
LBB 4442/00
LBB 4443/00
LBB 4443/00
8 Option 9
MIN / MAX
0,5 mm² / 3 mm²
AWG 20 / AWG 13
LC1-PIB
10 Option 11
Standard connected to rated power at 100V
6W
3W
1.5W
1.5W 0.75W
12W
6W
3W
1.5W
6W
3W
1.5W
1.5W 0.75W
12W
6W
3W
1.5W
70V 70V
+ + + 100V 3W 6W 12W 24W
6W
3W
4Ω 0.75W
12W
6W
3W
1.5W
6W
3W
4Ω 0.75W
12W
6W
3W
1.5W
100V 100V
0 0 0 70V 3W 6W 12W
0 4Ω C 24W
4Ω
4Ω
C
C
C
C
0
0
0
0
11
12 6W 12W 24W
1
1
2
2
12
13 13
14
Bosch Security Systems | 2009-01

10. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 10
1.4 LC1-MFD
190 mm
7.48"
LC1-MFD
1
2 3
1 2
K!
C
LI
C
4 Option 5
1
2
Pilot tone
indication board:
LC1-PIB
6 7
4 Option
Bosch Security Systems | 2009-01

11. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 11
Line/loudspeaker
Supervision Boards:
LBB 4441/00
LBB 4442/00
LBB 4443/00
8 Option 9
10 Option 11
Standard connected to rated power at 100V
6W
3W
1.5W
1.5W 0.75W
12W
6W
3W
1.5W
70V 70V
+ + + 100V 3W 6W 12W 24W
6W
3W
0.75W
12W
6W
3W
1.5W
100V 100V
0 0 0 70V 3W 6W 12W
0 4Ω C 24W
4Ω
4Ω
C
C
0
0
12 6W 12W 24W
1
2
13 14
Bosch Security Systems | 2009-01

12. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 12
1.5 LC1-CSMB
LC1-CSMB
LC1-MMSB
1
190 mm
7.48"
2 3
1 Line/loudspeaker
Supervision Boards:
2 LBB 4441/00
LBB 4442/00
LBB 4443/00
Pilot tone
indication board:
LC1-PIB
4 Option 5 Option
MIN / MAX
0,5 mm² / 3 mm²
AWG 20 / AWG 13
LC1-PIB
6 7
Bosch Security Systems | 2009-01

13. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 13
Standard connected to rated power at 100V
1 Line/loudspeaker
Supervision Boards:
2 LBB 4441/00
LBB 4442/00
LBB 4443/00
6W
3W
1.5W
1.5W 0.75W
12W
6W
3W
1.5W
70V 70V
+ + + 100V 3W 6W 12W 24W
6W
3W
0.75W
12W
6W
3W
1.5W
100V 100V
0 0 0 70V 3W 6W 12W
0 4Ω C 24W
Pilot tone
4Ω
4Ω
C
C
0
0
indication board:
LC1-PIB
8 6W 12W 24W
8
4 Option 9 Option
1 MIN / MAX
0,5 mm² / 3 mm²
AWG 20 / AWG 13
LC1-PIB
2
9 10
10 11
Standard connected to rated power at 100V
6W
3W
1.5W
1.5W 0.75W
12W
6W
3W
1.5W
70V 70V
+ + + 100V 3W 6W 12W 24W
6W
3W
0.75W
12W
6W
3W
1.5W
100V 100V
0 0 0 70V 3W 6W 12W
0 4Ω C 24W
4Ω
4Ω
C
C
0
0
11 Option 12 Option
12 6W 12W 24W
LC1 MSK
1
2
13 Option 14 Option
13 14
Bosch Security Systems | 2009-01

14. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 14
2 Loudspeakers
2.1 Overview
2.1.1 Models
LC1-MMSB LC1-WM06E8
Pilot tone
indication board:
LC1-PIB
LC1-CMR / LC1-CBB
LC1-UM06E8
Line/loudspeaker
LC1-MFD Supervision Boards:
LBB 4441/00
LC1-UM24E8
LBB 4442/00
LBB 4443/00
LC1-CSMB
LC1-UM12E8
2.1.2 Technical Specifications
LC1-WM06E8 LC1-UM06E8 LC1-UM12E8 LC1-UM24E8
Description Ceiling loudspeaker Ceiling loudspeaker Ceiling loudspeaker Ceiling loudspeaker
Electrical*
Maximum power 6W 6W 12 W 24 W
Rated power 6 W (6 - 3 - 1.5 - 0.75 W ) 6 W (6 - 3 - 1.5 - 0.75 W ) 12 W (12 - 6 - 3 - 1.5 W) 24 W (24 - 12 - 6 - 3 W)
Sound pressure level
at rated power /1W (1 kHz, 1 m) 96 dB / 88 dB 97 dB / 89 dB 100 dB / 89 dB 103 dB / 89 dB
Opening angle
at 1 kHz/4 kHz (-6dB) 180 / 128 ° 180 / 62 ° 180 / 64 ° 180 / 58 °
Effective freq.range (-10dB) 85 Hz to 20 kHz 70 Hz to 20 kHz 55 Hz to 20 kHz 55 Hz to 20 kHz
Rated voltage 70 / 100 V 70 / 100 V 70 / 100 V 70 / 100 V
Rated impedance 835 / 1667 Ohm 835 / 1667 Ohm 418 / 833 Ohm 208 / 417 Ohm
Connector 3 pole screw terminal block 3 pole screw terminal block 3 pole screw terminal block 3 pole screw terminal block
*Technical performance acc. to IEC 60268-5
Mechanical
Diameter 220 mm (8.67 in) 220 mm (8.67 in) 220 mm (8.67 in) 220 mm (8.67 in)
Maximum depth 111 mm (4.37 in) 111 mm (4.37 in) 111 mm (4.37 in) 111 mm (4.37 in)
Mounting cut-out 190 mm (7.48 in) 190 mm (7.48 in) 190 mm (7.48 in) 190 mm (7.48 in)
Speaker diameter
Color White (RAL 9010) White (RAL 9010) White (RAL 9010) White (RAL 9010)
Material (frame and front grille) Steel Steel Steel Steel
Weight 1.18 kg (2.6 lb) 1.16 kg (2.56 lb) 1.3 kg (2.86 lb) 1.75 kg (3.86 lb)
Environmental
Operation temperature -25 °C to + 55 °C (-13 °F to +131 °F) -25 °C to + 55 °C (-13 °F to +131 °F) -25 °C to + 55 °C (-13 °F to +131 °F) -25 °C to + 55 °C (-13 °F to +131 °F)
Storage temperature -40 °C to + 70 °C (-40 °F to +158 °F) -40 °C to + 70 °C (-40 °F to +158 °F) -40 °C to + 70 °C (-40 °F to +158 °F) -40 °C to + 70 °C (-40 °F to +158 °F)
Relative humidity < 95% < 95% < 95% < 95%
Certification and Approvals
Safety acc. to EN 60065 acc. to EN 60065 acc. to EN 60065 acc. to EN 60065
EVAC compliant acc. to BS5839 part 8 acc. to BS5839 part 8 acc. to BS5839 part 8 acc. to BS5839 part 8
acc. to EN 60849 acc. to EN 60849 acc. to EN 60849 acc. to EN 60849
Bosch Security Systems | 2009-01

15. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 15
2.2 LC1-WM06E8
132 mm (5.2 in)
220 mm (8.67 in)
LC1-WM06E8
Common Common
Phase 6W -W
Earth 3W 6W
4
1.5W 3W
0.75W 1.5W
- 0.75W
70V 100V
110
dB SPL
BOSCH
100
90
80
70
60
10 100 1000 10000 100000
Frequency (Hz)
0 0
350 10 350 10
340 5 20 340 5 20
330 30 330 30
320 0 40 320 0 40
310 -5 50 310 -5 50
300 -10 60 300 -10 60
290 -15 70 290 -15 70
-20 -20
280 80 280 80
-25 -25
270 90 270 90
-30 -30
260 100 260 100
250 110 250 110
240 120 240 120
230 130 230 130
220 140 220 140
210 150 210 150
200 160 200 160
190 170 190 180 170
180
pink noise octave pink noise octave
BOSCH BOSCH
125 250 500 1000 1000 2000 4000 8000
Bosch Security Systems | 2009-01

16. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 16
2.3 LC1-UM06E8
132 mm (5.2 in)
220 mm (8.67 in)
LC1-UM06E8
Common Common
Phase 6W -W
Earth 3W 6W
4
1.5W 3W
0.75W 1.5W
- 0.75W
70V 100V
110
dB SPL
BOSCH
100
90
80
70
60
10 100 1000 10000 100000
Frequency (Hz)
350 0 10 350 0 10
340 5 20 340 5 20
330 30 330 30
320 0 40 320 0 40
310 -5 50 310 -5 50
300 -10 60 300 -10 60
290 -15 70 290 -15 70
-20 -20
280 80 280 80
-25 -25
270 90 270 90
-30 -30
260 100 260 100
250 110 250 110
240 120 240 120
230 130 230 130
220 140 220 140
210 150 210 150
200 160 200 160
190 170 190 170
180 180
pink noise octave pink noise octave
125 250 500 1000 BOSCH 1000 2000 4000 8000 BOSCH
Bosch Security Systems | 2009-01

17. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 17
2.4 LC1-UM12E8
132 mm (5.2 in)
220 mm (8.67 in)
LC1-UM12E8
Common Common
Phase 12W -W
Earth 6W 12W
4
3W 6W
1.5W 3W
- 1.5W
70V 100V
110
dB SPL
BOSCH
100
90
80
70
60
10 100 1000 10000 100000
Frequency (Hz)
0 0
350 10 350 10
340 5 20 340 5 20
330 30 330 30
320 0 40 320 0 40
310 -5 50 310 -5 50
300 -10 60 300 -10 60
290 -15 70 290 -15 70
-20 -20
280 80 280 80
-25 -25
270 90 270 90
-30 -30
260 100 260 100
250 110 250 110
240 120 240 120
230 130 230 130
220 140 220 140
210 150 210 150
200 160 200 160
190 170 190 170
180 180
pink noise octave pink noise octave
BOSCH BOSCH
125 250 500 1000 1000 2000 4000 8000
Bosch Security Systems | 2009-01

18. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 18
2.5 LC1-UM24E8
132 mm (5.2 in)
220 mm (8.67 in)
LC1-UM24E8
Common Common
Phase 24W -W
Earth 12W 24W
4
6W 12W
3W 6W
- 3W
70V 100V
110
dB SPL
BOSCH
100
90
80
70
60
10 100 1000 10000 100000
Frequency (Hz)
0 0
350 10 350 10
340 5 20 340 5 20
330 30 330 30
320 0 40 320 0 40
310 -5 50 310 -5 50
300 -10 60 300 -10 60
290 -15 70 290 -15 70
-20 -20
280 80 280 80
-25 -25
270 90 270 90
-30 -30
260 100 260 100
250 110 250 110
240 120 240 120
230 130 230 130
220 140 220 140
210 150 210 150
200 160 200 160
190 170 190 170
180 180
pink noise octave pink noise octave
BOSCH BOSCH
125 250 500 1000 1000 2000 4000 8000
Bosch Security Systems | 2009-01

19. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 19
3 Acoustical Performance
LC1-WM06E8
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 83,4 86,1 85,1 87,8 91,2 89,7 89,3
Total octave SPL 1W/1m 86,9 88,1
Total octave SPL Pmax/1m 94,2 94,9
Octave band opening angles
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz
Horizontal opening angle 180 180 180 180 120 128 75
Vertical opening angle 180 180 180 180 120 128 75
LC1-UM06E8
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 93,4 88,4 86,3 88,5 91,4 93,9 92,6
Total octave SPL 1W/1m 88,9 90,4
Total octave SPL Pmax/1m 95,8 96,5
Octave band opening angles
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz
Horizontal opening angle 180 180 180 180 108 62 38
Vertical opening angle 180 180 180 180 108 62 38
LC1-UM12E8
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
LC1-UM24E8
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 89,9 88,3 89,0 88,6 91,5 95,6 93,8
Total octave SPL 1W/1m 90,0 91,3
Total octave SPL Pmax/1m 103,1 103,8
Octave band opening angles
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz
Horizontal opening angle 180 180 180 180 106 58 57
Vertical opening angle 180 180 180 180 106 58 57
Bosch Security Systems | 2009-01

20. LC1 Modular Ceiling Loudspeaker Range | Installation and User Instructions | en | 20
4 Accessories
LC1-MMSB LC1-CMR / LC1-CBB LC1-MFD
4.1 Technical Specifications
Technical Specifications LC1-MMSB LC1-CMR LC1- CBB LC1-MFD
Description Mounting support bracket Ceiling mounting ring Back box Metal Fire-dome
Mechanical
Dimensions 215 x 125 x 56 mm 215 x 67 mm 196 x 70 mm 215 x 155 mm
(8.47 x 4.92 x 2.2 in) (8.47 x 2.64 in) (7.72 x 2.75 in) (8.47 x 6.1 in)
Mounting cut-out 190 mm (7.48 in) 200 mm (7.88 in) n.a. 190 mm (7.48 in)
Material Steel ABS ABS Steel
Color Zinc Plated White (RAL 9010) White (RAL 9010) Flame red (RAL 3000)
Weight 320 g (0.70 lb) 210 g (0.46 lb) 174 g (0.38 lb) 1 kg (2.20 lb)
Technical Specifications LC1-CSMB LC1-MSK LM1-TB LC1-PIB
Description Surface Mounting box Metal Suspension Kit Tile Bridge/C-ring Pilot Tone indication board
Mechanical
Dimensions 220 x 128 mm 250 x 30 mm 20 x 30 mm
(8.67 x 5.04 in) (9.85 x 1.18 in) (0.78 x 1.18 in)
Mounting cut-out n.a. n.a. n.a.
Material ABS Steel Steel n.a.
Color White (RAL 9010) Zinc Plated Zinc Plated n.a.
Weight 690 g (1.52 lb) 174 g (0.38 lb) 939 g (2.07 lb) 3 g (0.006 lb)
Bosch Security Systems | 2009-01

22. © Bosch Security Systems B.V.
Data subject to change without notice
2009-01
F.01U.076.021