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LC1 Modular Ceiling Loudspeaker RangeLC1
en Product Information & Installation Manual
LC1 Modular Ceiling Loudspeaker Range Table of Contents | en 3
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Table of Contents
1 System Overview 41.1 Housings 41.2 Loudspeakers 41.3 Accessories 5
2 Installation 62.1 LC1-MMSB 62.2 LC1-CMR/LC1-CBB 92.3 LC1-MFD 122.4 LC1-CSMB 15
3 Technical Data 183.1 Electrical 183.2 Mechanical 193.3 Environmental conditions 203.4 Standards 213.5 Additional technical data 223.5.1 LC1-WC06E8 223.5.2 LC1-WM06E8 243.5.3 LC1-UM06E8 263.5.4 LC1-UM12E8 283.5.5 LC1-UM24E8 303.6 EC declaration of conformity 32
4 en | System Overview LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
1 System Overview
1.1 Housings
1.2 Loudspeakers
LC1-MFDLC1-CMR / LC1-CBBLC1-MMSB LC1-CSMB
NOTICE! To be compliant with UL-1480 the loudspeaker must be installed with the LC1-CMR including LC1-CBB or LC1-MFD or LC1-CSMB.
LC1-MFD
LC1-CMR / LC1-CBB
LC1-MMSB
LC1-CSMB
Pilot toneindication board:LC1-PIB
Line/loudspeakerSupervision Boards:LBB 4441/00LBB 4442/00LBB 4443/00
LC1-WC06E8
LC1-UM12E8
LC1-UM24E8
LC1-UM06E8
LC1-WM06E8
LC1 Modular Ceiling Loudspeaker Range System Overview | en 5
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
1.3 Accessories
LC1-MFDLC1-CMR / LC1-CBBLC1-MMSB
LM1-TB
6 en | Installation LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
2 Installation
2.1 LC1-MMSB
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5 Fig. 6Optional
190 mm190 mm(7.48 in)(7.48 in)
5
LC1 Modular Ceiling Loudspeaker Range Installation | en 7
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Fig. 7 Fig. 8
Fig. 9 Fig. 10OptionalPilot tone indication board: LC1-PIBNotice! Push until you hear a click.
OptionalLine/Loudspeaker supervision boards:LBB 4441/00, LBB 4442/00, LBB 4443/00
Fig. 11 Fig. 12
Max.Max.50 mm50 mm(1.97 in)(1.97 in)
2
1
MIN / MAXMIN / MAX0.5 mm² / 3 mm²0.5 mm² / 3 mm²AWG 20 / AWG 13AWG 20 / AWG 13
LC1-PIBLC1-PIB
8 en | Installation LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
Fig. 13Notice! Standard connected to rated power at 100V
Fig. 14 Fig. 15
24W
100V
70V
C0
24W 3W6W
12W
24W 3W6W
12W
4Ω
12W
100V
70V
C0
12W
1.5W3W6W
12W
1.5W3W6W
4Ω
6W
100V
70V
C0
6W
0.75W
1.5W3W
6W
0.75W6W3W
4Ω
+0
+0
+0
1
2
LC1 Modular Ceiling Loudspeaker Range Installation | en 9
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
2.2 LC1-CMR/LC1-CBB
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5Optional
Fig. 6
200 mm200 mm(7.88 in)(7.88 in)
10 en | Installation LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
Fig. 7 Fig. 8OptionalPilot tone indication board: LC1-PIBNotice! Push until you hear a click.
Fig. 9 Fig. 10OptionalLine/Loudspeaker supervision boards:LBB 4441/00, LBB 4442/00, LBB 4443/00
Fig. 11
Max.Max.25 mm25 mm(0.98 in)(0.98 in)
2
1
LC1-PIBLC1-PIB
MIN / MAXMIN / MAX0.5 mm² / 3 mm²0.5 mm² / 3 mm²AWG 20 / AWG 13AWG 20 / AWG 13
LC1 Modular Ceiling Loudspeaker Range Installation | en 11
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Fig. 12Notice! Standard connected to rated power at 100V
Fig. 13 Fig. 14
24W
100V
70VC
0
24W 3W6W
12W
24W 3W6W
12W
4Ω
12W
100V
70V
C0
12W
1.5W3W6W
12W
1.5W3W6W
4Ω
6W
100V
70V
C0
6W
0.75W
1.5W3W
6W
0.75W6W3W
4Ω
+0
+0
+0
1
2
12 en | Installation LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
2.3 LC1-MFD
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5 Fig. 6
190 mm190 mm(7.48 in)(7.48 in)
LC1 Modular Ceiling Loudspeaker Range Installation | en 13
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Fig. 7Optional
Fig. 8Notice! Push until you hear a click.
Fig. 9 Fig. 10OptionalPilot tone indication board: LC1-PIBNotice! Push until you hear a click.
Fig. 11OptionalLine/Loudspeaker supervision boards:LBB 4441/00, LBB 4442/00, LBB 4443/00
Fig. 12
1 2
Max.Max.50 mm50 mm(1.97 in)(1.97 in)
2
1
14 en | Installation LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
Fig. 13Optional
Fig. 14
Fig. 15Notice! Standard connected to rated power at 100V
Fig. 16 Fig. 17
24W
100V
70V
C0
24W 3W6W
12W
24W 3W6W
12W
4Ω
12W
100V
70V
C0
12W
1.5W3W6W
12W
1.5W3W6W
4Ω
6W
100V
70V
C0
6W
0.75W
1.5W3W
6W
0.75W6W3W
4Ω
+0
+0
+0
1
2
LC1 Modular Ceiling Loudspeaker Range Installation | en 15
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
2.4 LC1-CSMB
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5OptionalPilot tone indication board: LC1-PIBNotice! Push until you hear a click.
Fig. 6OptionalLine/Loudspeaker supervision boards:LBB 4441/00, LBB 4442/00, LBB 4443/00
2
1
16 en | Installation LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
Fig. 7 Fig. 8
Fig. 9Notice! Standard connected to rated power at 100V
Fig. 10 Fig. 11
MIN / MAXMIN / MAX0.5 mm² / 3 mm²0.5 mm² / 3 mm²AWG 20 / AWG 13AWG 20 / AWG 13
LC1-PIBLC1-PIB
24W
100V
70V
C0
24W 3W6W
12W
24W 3W6W
12W
4Ω
12W
100V
70V
C0
12W
1.5W3W6W
12W
1.5W3W6W
4Ω
6W
100V
70V
C0
6W
0.75W
1.5W3W
6W
0.75W6W3W
4Ω
+0
+0
+0
1
2
LC1 Modular Ceiling Loudspeaker Range Installation | en 17
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Fig. 12Optional
Fig. 13Optional
Fig. 14Optional
Fig. 15Optional
LC1 MSKLC1 MSK
18 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3 Technical Data
3.1 Electrical
LC1-WC06E8 LC1-WM06E8 LC1-UM06E8
Description Ceiling loudspeaker Ceiling loudspeaker Ceiling loudspeaker
Maximum power 9 W 9 W 9 W
Rated power 6 W (6-3-1.5-0.75 W) 6 W (6-3-1.5-0.75 W) 6 W (6-3-1.5-0.75 W)
Sound pressure level at rated power / 1 W (1 kHz, 1 m)
96 dB / 88 dB 96 dB / 88 dB 97 dB / 89 dB
Opening angle at 1 kHz / 4 kHz (-6 dB)
180/75° 180/128° 180/62°
Effective frequency range (-10 dB)
85 Hz to 20 kHz 85 Hz to 20 kHz 70 Hz to 20 kHz
Rated voltage 70/100 V 70/100 V 70/100 V
Rated impedance 835/1667 Ohm 835/1667 Ohm 835/1667 Ohm
Connector 3 pole screw terminal block
3 pole screw terminal block
3 pole screw terminal block
LC1-UM12E8 LC1-UM24E8
Description Ceiling loudspeaker Ceiling loudspeaker
Maximum power 18 W 36 W
Rated power 12 W (12-6-3-1.5 W) 24 W (24-12-6-3 W)
Sound pressure level at rated power / 1 W (1 kHz, 1 m)
100 dB / 89 dB 103 dB / 89 dB
Opening angle at 1 kHz / 4 kHz (-6 dB)
180/64° 180/58°
Effective frequency range (-10 dB)
55 Hz to 20 kHz 55 Hz to 20 kHz
Rated voltage 70/100 V 70/100 V
Rated impedance 418/833 Ohm 208/417 Ohm
Connector 3 pole screw terminal block
3 pole screw terminal block
Technical performance according to IEC 60268-5
LC1 Modular Ceiling Loudspeaker Range Technical Data | en 19
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
3.2 Mechanical
LC1-WC06E8 LC1-WM06E8 LC1-UM06E8
Description Ceiling loudspeaker Ceiling loudspeaker Ceiling loudspeaker
Diameter 220 mm (8.67 in) 220 mm (8.67 in) 220 mm (8.67 in)
Maximum depth(including LC1-MMSB)
125 mm (4.92 in) 125 mm (4.92 in) 125 mm (4.92 in)
Mounting cut-out 190 mm (7.48 in) 190 mm (7.48 in) 190 mm (7.48 in)
Color White (RAL 9010) White (RAL 9010) White (RAL 9010)
Material (frame and front grille)
ABS Steel Steel
Weight 0.82 kg (1.80 lb) 1.18 kg (2.60 lb) 1.16 kg (2.56 lb)
LC1-UM12E8 LC1-UM24E8
Description Ceiling loudspeaker Ceiling loudspeaker
Diameter 220 mm (8.67 in) 220 mm (8.67 in)
Maximum depth(including LC1-MMSB)
125 mm (4.92 in) 125 mm (4.92 in)
Mounting cut-out 190 mm (7.48 in) 190 mm (7.48 in)
Color White (RAL 9010) White (RAL 9010)
Material (frame and front grille)
Steel Steel
Weight 1.30 kg (2.86 lb) 1.75 kg (3.86 lb)
LC1-MMSB LC1-CMR LC1-CBB
Description Mounting support bracket Ceiling mounting ring Back box
Dimensions 215 x 125 x 56 mm(8.47 x 4.92 x 2.2 in)
215 x 70 mm(8.47 x 2.75 in)
196 x 70 mm(7.72 x 2.75 in)
Mounting cut-out 190 mm (7.48 in) 200 mm (7.88 in) -
Color Zinc plated White (RAL 9010) White (RAL 9010)
Material Steel ABS ABS
Weight 0.32 kg (0.70 lb) 0.21 kg (0.46 lb) 0.17 kg (0.38 lb)
LC1-MFD LC1-CSMB LC1-MSK
Description Metal fire-dome Surface mounting box Metal suspension kit
Dimensions 215 x 155 mm(8.47 x 6.1 in)
220 x 128 mm(8.67 x 5.04 in)
320 mm (12.59 in)(chain length)
Mounting cut-out 190 mm (7.48 in) - -
Color Flame red (RAL 3000) White (RAL 9010) Zinc plated
Material Steel ABS Steel
Weight 1.00 kg (2.20 lb) 0.69 kg (1.52 lb) 0.17 kg (0.38 lb)
20 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3.3 Environmental conditions
LC1-TB LC1-PIB
Description Tile bridge/C-ring Pilot tone indication board
Dimensions Tile bridge: 643 x 34 mm (25.33 x 1.34 in)C-ring: 250 x 30 mm (9.85 x 1.18 in)
20 x 30 mm(0.78 x 1.18 in)
Mounting cut-out - -
Color Zinc plated -
Material Steel -
Weight 0.94 kg (2.07 lb) 0.003 kg (0.006 lb)
LC1-WC06E8 LC1-WM06E8 LC1-UM06E8
Description Ceiling loudspeaker Ceiling loudspeaker Ceiling loudspeaker
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)
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)
Relative humidity < 95% < 95% < 95%
LC1-UM12E8 LC1-UM24E8
Description Ceiling loudspeaker Ceiling loudspeaker
Operation temperature -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)
Relative humidity < 95% < 95%
LC1 Modular Ceiling Loudspeaker Range Technical Data | en 21
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
3.4 Standards
LC1-WC06E8 LC1-WM06E8 LC1-UM06E8
Description Ceiling loudspeaker Ceiling loudspeaker Ceiling loudspeaker
Safety EN 60065 EN 60065 EN 60065
Emergency* BS5839 part 8, EN 60849, EN 54-24
BS5839 part 8, EN 60849, EN 54-24
BS5839 part 8, EN 60849, EN 54-24
Water and dust protection**
EN 60529 IP 33 - -
Salt mist*** IEC 68-2-11Ka - -
Chlorine resistant IEC 60068/2-60 - -
* only in combination with the LC1-MFD Fire Dome or LC1-CMR including LC1-CBB
** only in combination with the LC1-MFD Fire Dome or LC1-CMR including LC1-CBB
***only in combination with LC1-CMR including LC1-CBB
LC1-UM12E8 LC1-UM24E8
Description Ceiling loudspeaker Ceiling loudspeaker
Safety EN 60065 EN 60065
Emergency BS5839 part 8, EN 60849, EN 54-24
BS5839 part 8, EN 60849, EN 54-24
22 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3.5 Additional technical data
3.5.1 LC1-WC06E8
Dimensions
Circuit diagram22
0 m
m (8
.67
in)
39 mm (1.53 in)23 mm (0.9 in)
62 mm (2.44 in)
CommonPhaseEarth
Common46W
3W
1.5W
0.75W
-
70V
-W
6W
3W
1.5W
0.75W
100V
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-weightedOctave SPL 1W/1m 85.3 88.3 87.5 88.4 93.4 93.8 88.0Total octave SPL 1W/1m 89.0 89.7Total octave SPL Pmax/1m 106.2 107.1
Octave band opening angles125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz
Horizontal opening angle 180 180 180 180 180 75 96Vertical opening angle 180 180 180 180 180 75 96
LC1 Modular Ceiling Loudspeaker Range Technical Data | en 23
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Frequency response
Polar diagrams
60
70
80
90
100
110
10 100 10001000 1000010000 100000Frequency (Hz)
dB S
PL
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
0 1020
3040
50
60
70
80
90
100
110
120
130
140
150160
170180190200
210
220
230
240
250
260
270
280
290
300
310
320330
340350
1000 2000 4000 8000
-30
-25
-20
-15
-10
-5
0
5
0 1020
3040
50
60
70
80
90
100
110
120
130
140
150160
170180
190200
210
220
230
240
250
260
270
280
290
300
310
320330
340350
24 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3.5.2 LC1-WM06E8
Dimensions
Circuit diagram
220
mm
(8.6
7 in
)
43 mm (1.69 in)23 mm (0.9 in)
66 mm (2.59 in)
CommonPhaseEarth
Common46W
3W
1.5W
0.75W
-
70V
-W
6W
3W
1.5W
0.75W
100V
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-weightedOctave SPL 1W/1m 83.4 86.1 85.1 87.8 91.2 89.7 89.3Total octave SPL 1W/1m 86.9 88.1Total octave SPL Pmax/1m 94.2 94.9
Octave band opening angles125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz
Horizontal opening angle 180 180 180 180 120 128 75Vertical opening angle 180 180 180 180 120 128 75
LC1 Modular Ceiling Loudspeaker Range Technical Data | en 25
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Frequency response
Polar diagrams
60
70
80
90
100
110
10 100 1000 10000 100000Frequency (Hz)
dB S
PL
BOSCH
-30
-25
-20
-15
-10
-5
0
5
0 1020
3040
50
60
70
80
90
100
110
120
130
140150
160170180190
200210
220
230
240
250
260
270
280
290
300
310
320330
340350
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
0 1020
3040
50
60
70
80
90
100
110
120
130
140150
160170180190
200210
220
230
240
250
260
270
280
290
300
310
320330
340350
1000 2000 4000 8000
26 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3.5.3 LC1-UM06E8
Dimension
Circuit diagram
98.5 mm (3.87 in)23 mm (0.9 in)
220
mm
(8.6
7 in
)
121.5 mm (4.78 in)
CommonPhaseEarth
Common46W
3W
1.5W
0.75W
-
70V
-W
6W
3W
1.5W
0.75W
100V
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-weightedOctave SPL 1W/1m 93.4 88.4 86.3 88.5 91.4 93.9 92.6Total octave SPL 1W/1m 88.9 90.4Total octave SPL Pmax/1m 95.8 96.5
Octave band opening angles
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000HzHorizontal opening angle 180 180 180 180 108 62 38Vertical opening angle 180 180 180 180 108 62 38
60
70
80
90
100
110
10 100 1000 10000 100000Frequency (Hz)
dB S
PL
BOSCH
LC1 Modular Ceiling Loudspeaker Range Technical Data | en 27
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Frequency reponse
Polar diagrams
-30
-25
-20
-15
-10
-5
0
5
0 1020
3040
50
60
70
80
90
100
110
120
130
140
150160
170180
190200
210
220
230
240
250
260
270
280
290
300
310
320330
340350
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
0 1020
3040
50
60
70
80
90
100
110
120
130
140150
160170
180190
200210
220
230
240
250
260
270
280
290
300
310
320330
340350
1000 2000 4000 8000
28 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3.5.4 LC1-UM12E8
Dimensions
Circuit diagram
106 mm (4.17 in)23 mm (0.9 in)
220
mm
(8.6
7 in
)
129 mm (5.07 in)
CommonPhaseEarth
Common
412W
6W
3W
1.5W
-
70V
-W
12W
6W
3W
1.5W
100V
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-weightedOctave SPL 1W/1m 89.4 87.3 86.5 88.6 90.0 94.0 93.7Total octave SPL 1W/1m 88.9 90.3Total octave SPL Pmax/1m 99.3 100.2
Octave band opening angles
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000HzHorizontal opening angle 180 180 180 180 108 64 62Vertical opening angle 180 180 180 180 108 64 62
LC1 Modular Ceiling Loudspeaker Range Technical Data | en 29
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Frequency response
Polar diagrams
60
70
80
90
100
110
10 100 1000 10000 100000Frequency (Hz)
dB S
PL
-30
-25
-20
-15
-10
-5
0
510
2030
40
50
60
70
80
90
100
110
120
130
140
150160
170180190
200210
220
230
240
250
260
270
280
290
300
310
320
330340
350
125 250 500 1000
0
-30
-25
-20
-15
-10
-5
0
5
0 1020
3040
50
60
70
80
90
100
110
120
130
140150
160170
180190200
210220
230
240
250
260
270
280
290
300
310
320330
340350
1000 2000 4000 8000
30 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3.5.5 LC1-UM24E8
Dimensions
Circuit diagram
220
mm
(8.6
7 in
)
112 mm (4.40 in)23 mm (0.9 in)
135 mm (5.31 in)
CommonPhaseEarth
Common24W
12W
6W
3W
-
70V
-W
24W
12W
6W
3W
100V
4
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-weightedOctave SPL 1W/1m 89.9 88.3 89.0 88.6 91.5 95.6 93.8Total octave SPL 1W/1m 90.0 91.3Total octave SPL Pmax/1m 103.1 103.8
Octave band opening angles
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000HzHorizontal opening angle 180 180 180 180 106 58 57Vertical opening angle 180 180 180 180 106 58 57
LC1 Modular Ceiling Loudspeaker Range Technical Data | en 31
Bosch Security Systems B.V. Product Information & Installation Manual F.01U.076.021 | V1.0 | 2012.04
Frequency response
Polar diagrams
60
70
80
90
100
110
10 100 1000 10000 100000Frequency (Hz)
dB S
PL
BOSCH
-30
-25
-20
-15
-10
-5
0
5
0 1020
30
40
50
60
70
80
90
100
110
120
130
140
150160
170180
190200
210
220
230
240
250
260
270
280
290
300
310
320
330340
350
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
0 1020
30
40
50
60
70
80
90
100
110
120
130
140
150160
170180
190200
210
220
230
240
250
260
270
280
290
300
310
320
330340
350
1000 2000 4000 8000
32 en | Technical Data LC1 Modular Ceiling Loudspeaker Range
F.01U.076.021 | V1.0 | 2012.04 Product Information & Installation Manual Bosch Security Systems B.V.
3.6 EC declaration of conformity
Bosch Security Systems BVTorenallee 49, 5617 BA Eindhoven
1438-CPD-0194
1438
Loudspeaker for voice alarm systems for fire detection and fire alarm systems for buildings
EN 54-24:2008
Ceiling loudspeakers 6 W, 12 W, 24 W and accessoriesLC1-WM06E8, LC1-UMxxE8, LC1-MFD, LC1-MMSB, LC1-CMR,
LC1-CBB, LC1-CSMB, LC1-MSK.Type A
Bosch Security Systems B.V.Torenallee 495617 BA EindhovenThe Netherlandswww.boschsecurity.com© Bosch Security Systems B.V., 2012