LC1 Modular Ceiling Loudspeaker Range
en Installation note
LC1 Modular Ceiling Loudspeaker
Range
Table of contents
Table of Contents | en 3
1
1.1 Housings 4
1.2 Loudspeakers 5
1.3 Accessories 6
2
2.1 LC1-MMSB 7
2.2 LC1-CMR/LC1-CBB 10
2.3 LC1-MFD 13
2.4 LC1-CSMB 16
3
3.1 Electrical* 19
3.2 Mechanical 22
3.3 Environmental conditions 24
3.4 Standards 25
3.5 Additional technical data 26
3.5.1 LC1-WC06E8 26
3.5.2 LC1-WM06E8 29
3.5.3 LC1-UM06E8 31
3.5.4 LC1-UM12E8 33
3.5.5 LC1-UM24E8 35
3.6 EC declaration of conformity 37
System Overview 4
Installation 7
Technical Data 19
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
LC1-MFDLC1-CMR / LC1-CBB
LC1-MMSB
LC1-CSMB
4 en | System Overview
LC1 Modular Ceiling Loudspeaker
Range
1
1.1
System Overview
Housings
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.
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
LC1 Modular Ceiling Loudspeaker
Range
System Overview | en 5
1.2
Loudspeakers
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
LC1-MFD
LC1-CMR / LC1-CBB
LC1-MMSB
LM1-TB
6 en | System Overview
LC1 Modular Ceiling Loudspeaker
Range
1.3
Accessories
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
190 mm
(7.48 in)
5
LC1 Modular Ceiling Loudspeaker
Range
Installation | en 7
2
2.1
Fig. 1 Fig. 2
Installation
LC1-MMSB
Fig. 3 Fig. 4
Fig. 5 Fig. 6
Optional
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
Max.
50 mm
(1.97 in)
2
1
MIN / MAX
0.5 mm² / 3 mm²
AWG 20 / AWG 13
LC1-PIB
8 en | Installation
Fig. 7 Fig. 8
LC1 Modular Ceiling Loudspeaker
Range
Fig. 9 Fig. 10
Optional
Pilot tone indication board: LC1-PIB
Optional Line/Loudspeaker supervision boards:
LBB 4441/00, LBB 4442/00, LBB 4443/00
Notice! Push until you hear a click.
Fig. 11 Fig. 12
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
24W
100V
70V
C
0
24W
3W
6W
12W
24W
3W
6W
12W
4Ω
12W
100V
70V
C
0
12W
1.5W
3W
6W
12W
1.5W
3W
6W
4Ω
6W
100V
70V
C
0
6W
0.75W
1.5W
3W
6W
0.75W
6W
3W
4Ω
+
0
+
0
+
0
2
1
LC1 Modular Ceiling Loudspeaker
Range
Installation | en 9
Fig. 13
Notice! Standard connected to rated power at 100V
Fig. 14 Fig. 15
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
200 mm
(7.88 in)
10 en | Installation
LC1 Modular Ceiling Loudspeaker
Range
2.2
LC1-CMR/LC1-CBB
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5
Fig. 6
Optional
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
Max.
25 mm
(0.98 in)
LC1 Modular Ceiling Loudspeaker
Range
Fig. 7 Fig. 8
Optional
Pilot tone indication board: LC1-PIB
Notice! Push until you hear a click.
Installation | en 11
Fig. 9 Fig. 10
Optional
Line/Loudspeaker supervision boards:
LBB 4441/00, LBB 4442/00, LBB 4443/00
Fig. 11
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
24W
100V
70V
C
0
24W
3W
6W
12W
24W
3W
6W
12W
4Ω
12W
100V
70V
C
0
12W
1.5W
3W
6W
12W
1.5W
3W
6W
4Ω
6W
100V
70V
C
0
6W
0.75W
1.5W
3W
6W
0.75W
6W
3W
4Ω
+
0
+
0
+
0
2
1
12 en | Installation
LC1 Modular Ceiling Loudspeaker
Range
Fig. 12
Notice! Standard connected to rated power at 100V
Fig. 13 Fig. 14
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
190 mm
(7.48 in)
LC1 Modular Ceiling Loudspeaker
Range
Installation | en 13
2.3
LC1-MFD
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5 Fig. 6
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
1
2
Max.
50 mm
(1.97 in)
2
1
14 en | Installation
LC1 Modular Ceiling Loudspeaker
Range
Fig. 7
Optional
Fig. 8
Notice! Push until you hear a click.
Fig. 9 Fig. 10
Optional
Pilot tone indication board: LC1-PIB
Notice! Push until you hear a click.
Fig. 11
Optional
Line/Loudspeaker supervision boards:
LBB 4441/00, LBB 4442/00, LBB 4443/00
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
Fig. 12
24W
100V
70V
C
0
24W
3W
6W
12W
24W
3W
6W
12W
4Ω
12W
100V
70V
C
0
12W
1.5W
3W
6W
12W
1.5W
3W
6W
4Ω
6W
100V
70V
C
0
6W
0.75W
1.5W
3W
6W
0.75W
6W
3W
4Ω
+
0
+
0
+
0
2
1
LC1 Modular Ceiling Loudspeaker
Range
Installation | en 15
Fig. 13
Fig. 14
Optional
Fig. 15
Notice! Standard connected to rated power at 100V
Fig. 16 Fig. 17
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
2
1
16 en | Installation
LC1 Modular Ceiling Loudspeaker
Range
2.4
Fig. 1 Fig. 2
LC1-CSMB
Fig. 3 Fig. 4
Fig. 5
Optional
Pilot tone indication board: LC1-PIB
Notice! Push until you hear a click.
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
Fig. 6
Optional
Line/Loudspeaker supervision boards:
LBB 4441/00, LBB 4442/00, LBB 4443/00
MIN / MAX
0.5 mm² / 3 mm²
AWG 20 / AWG 13
LC1-PIB
24W
100V
70V
C
0
24W
3W
6W
12W
24W
3W
6W
12W
4Ω
12W
100V
70V
C
0
12W
1.5W
3W
6W
12W
1.5W
3W
6W
4Ω
6W
100V
70V
C
0
6W
0.75W
1.5W
3W
6W
0.75W
6W
3W
4Ω
+
0
+
0
+
0
2
1
LC1 Modular Ceiling Loudspeaker
Range
Fig. 7 Fig. 8
Installation | en 17
Fig. 9
Notice! Standard connected to rated power at 100V
Fig. 10 Fig. 11
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
LC1 MSK
18 en | Installation
LC1 Modular Ceiling Loudspeaker
Range
Fig. 12
Fig. 13
Optional
Fig. 14
Fig. 15
Optional
Optional
Optional
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
LC1 Modular Ceiling Loudspeaker
Range
Technical Data | en 19
3
3.1
Technical Data
Electrical*
LC1‑WC06E8
Description Ceiling loudspeaker
Maximum power 9 W
Rated power 6 W (6 / 3 / 1.5 / 0.75 W)
Sound Pressure Level at rated
power / 1 W (1 kHz, 1 m)
Sound Pressure Level at rated
power / 1 W (1 kHz, 4 m)
Opening angle at 1 kHz / 4 kHz
(-6 dB)
Effective frequency range
(-10 dB)
Rated voltage
Rated impedance
96 dB / 88 dB
84 dB / 78 dB
180° / 75°
85 Hz to 20 kHz
70 V 100 V
6 W 833 Ohm 1667 Ohm
3 W 1667 Ohm 3333 Ohm
1.5 W 3333 Ohm 6666 Ohm
0.75 W 6666 Ohm 13333 Ohm
Connector 3‑pole screw-terminal block
Description Ceiling loudspeaker Ceiling loudspeaker
Maximum power 9 W 9 W
Rated power 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)
Sound Pressure
Level at rated
power / 1 W (1 kHz,
4 m)
LC1‑WM06E8 LC1‑UM06E8
96 dB / 88 dB 97 dB / 89 dB
87 dB / 79 dB 88 dB / 80 dB
Opening angle at
1 kHz / 4 kHz
(-6 dB)
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
180° / 128° 180° / 62°
en | Technical Data
20
LC1 Modular Ceiling Loudspeaker
Range
Effective frequency
85 Hz to 20 kHz 70 Hz to 20 kHz
range
(-10 dB)
Rated
voltage
Rated impedance
70 V 100 V
6 W 833 Ohm 1667 Ohm
3 W 1667 Ohm 3333 Ohm
1.5 W 3333 Ohm 6666 Ohm
0.75 W 6666 Ohm 13333 Ohm
Connector 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
100 dB / 89 dB 103 dB / 89 dB
Level at rated
power / 1 W
(1 kHz, 1 m)
Sound Pressure
Level at rated
power / 1 W
(1 kHz, 4 m)
Opening angle at
1 kHz / 4 kHz
(-6 dB)
Effective
frequency range
(-10 dB)
Rated
voltage
Rated
impedance
88 dB / 77 dB 91 dB / 77 dB
180° / 64° 180° / 58°
55 Hz to 20 kHz 55 Hz to 20 kHz
70 V 100 V 70 V 100 V
12 W 416
Ohm
6 W 833
Ohm
3 W 1667
Ohm
1.5 W 3333
Ohm
833
Ohm
1667
Ohm
3333
Ohm
6666
Ohm
24 W 208
Ohm
12 W 416
Ohm
6 W 833
Ohm
3 W 1667
Ohm
416
Ohm
833
Ohm
1667
Ohm
3333
Ohm
Connector 3‑pole screw-terminal block 3‑pole screw-terminal block
* Technical performance data acc. to IEC 60268-5
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
LC1 Modular Ceiling Loudspeaker
Range
Note:
– The specification data is measured in an anechoic chamber, on a standard baffle
– The reference axis is perpendicular to the center point of the front grille
– The reference plane is perpendicular to the center of the reference axis
– The horizontal plane is perpendicular to the center of the reference plane
Technical Data | en 21
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
22 en | Technical Data
LC1 Modular Ceiling Loudspeaker
Range
3.2
Mechanical
LC1‑WC06E8
Description Ceiling loudspeaker
Diameter 220 mm (8.67 in)
Maximum depth* 125 mm (4.92 in)
Color White (RAL 9010)
Material (frame / front grille) ABS
Weight 820 g (1.81 lb)
Description Ceiling loudspeaker Ceiling loudspeaker
Diameter 220 mm (8.67 in) 220 mm (8.67 in)
Maximum depth* 125 mm (4.92 in) 125 mm (4.92 in)
Color White (RAL 9010) White (RAL 9010)
Material (frame / front grille) Steel Steel
LC1‑WM06E8 LC1‑UM06E8
Weight 1.18 kg (2.6 lb) 1.16 kg (2.56 lb)
Description Ceiling loudspeaker Ceiling loudspeaker
Diameter 220 mm (8.67 in) 220 mm (8.67 in)
Maximum depth* 125 mm (4.92 in) 125 mm (4.927 in)
Color White (RAL 9010) White (RAL 9010)
Material (frame / front grille) Steel Steel
Weight 1.3 kg (2.86 lb) 1.75 kg (3.86 lb)
Description Mounting Support Bracket Ceiling Mounting Ring
Dimensions 215 x 125 x 56 mm (8.47 x
Mounting cut‑out 190 mm (7.48 in) 200 mm (7.88 in)
LC1‑UM12E8 LC1‑UM24E8
LC1‑MMSB LC1‑CMR
215 x 70 mm (8.47 x
4.92 x 2.2 in)
2.75 in)
Cut‑out template included Cut‑out template included
Max. ceiling thickness 50 mm (1.97 in) 25 mm (0.98 in)
Material Steel ABS
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
LC1 Modular Ceiling Loudspeaker
Range
Color Zinc plated White (RAL 9010)
Weight 390 g (0.70 lb) 210 g (0.46 lb)
LC1‑CBB LC1‑CSMB
Description Back Box Surface Mounting Box
Technical Data | en 23
Dimensions 196 x 70 mm (7.72 x
2.75 in)
220 x 128 mm (8.67 x
5.04 in)
Material ABS ABS
Color White (RAL 9010) White (RAL 9010)
Weight 174 g (0.38 lb) 690 g (1.52 lb)
Description Metal Fire Dome (including
LC1‑MFD LC1‑PIB
Pilot‑tone Indication Board
ceramic connector)
Dimensions 215 x 155 mm (8.47 x
20 x 30 mm (0.78 x 1.18 in)
6.1 in)
Mounting cut‑out 190 mm (7.48 in) n.a.
Cut‑out template included n.a
Material Steel n.a.
Color Flame red (RAL 3000) n.a.
Certified B15 According to DIN4102‑8 n.a.
Weight 1 kg (2.20 lb) 3 g (0.006 lb)
LM1‑TB LC1‑MSK
Description Tile Bridge / C‑Ring Metal Suspension Kit
Dimensions
Chain length n.a 320 mm (12.59 in)
Tile rails 643 x 34 mm
n.a
(25.33 x 1.34 in)
C‑Ring 250 x 30 mm
n.a
(9.85 x 1.18 in)
Material Steel Steel
Color Zinc plated Zinc plated
Weight 939 g (2.07 lb) 174 g (0.38 lb)
* with LC1‑MMSB mounting support bracket
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
24 en | Technical Data
LC1 Modular Ceiling Loudspeaker
Range
3.3
Environmental conditions
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage and transport temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
LC1 Modular Ceiling Loudspeaker
Range
Technical Data | en 25
3.4
Standards
Safety According to EN 60065
* Emergency According to BS 5839‑8
According to EN 54‑24
According to EN 60849
UL listed 1480/2043
Ball‑proof According to DIN VDE 0710 part 13
** Water and dust protection According to EN 60529 IP21
*** Water and dust protection According to EN 60529 IP33
**** Salt mist According to IEC‑68‑2‑11 Ka
* Only in combination with the LC1‑MFD or LC1-CSMB (+LC1-MSK) or LC1-CMR + LC1-CBB.
** Only in combination with the LC1‑MFD or LC1‑CMR including LC1‑CBB.
*** and **** only LC1‑WC06E8 with LC1‑CMR including LC1‑CBB.
Notice!
UL 1480 requires installation with the LC1‑MFD or LC1‑CSMB, or the LC1‑CMR including
LC1‑CBB. LC1‑UM06E8 and LC1‑UM12E8 have UL 1480 F certification listed for use in Fire
Alarm and/or Emergency Communication Systems.
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
220 mm (8.67 in)
39 mm (1.53 in)
23 mm (0.9 in)
62 mm (2.44 in)
4
6W
3W
1.5W
0.75W
-
70V
-W
6W
3W
1.5W
0.75W
100V
00
60
70
80
90
100
110
10
100
1000
10000
100000
dB SPL
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
1000 2000 4000 8000
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
26 en | Technical Data
LC1 Modular Ceiling Loudspeaker
Range
3.5
3.5.1
Additional technical data
LC1-WC06E8
Figure 3.1: Dimensions
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
Figure 3.2: Circuit diagram
Figure 3.3: Frequency response
Polar diagrams
LC1 Modular Ceiling Loudspeaker
Range
Octave band sensitivity LC1-WC06E8
Technical Data | en 27
Octave SPL
1W/1m
Total octave SPL
1W/1m
Total octave SPL
Pmax/1m
125 Hz 85.3 - -
250 Hz 88.3 - -
500 Hz 87.5 - -
1000 Hz 88.4 - -
2000 Hz 93.4 - -
4000 Hz 93.8 - -
8000 Hz 88.0 - -
A-weighted - 89.0 106.2
Lin-weighted - 89.7 107.1
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
28 en | Technical Data
LC1 Modular Ceiling Loudspeaker
Range
Octave band opening angles LC1-WC06E8
Horizontal Vertical
125 Hz 180 180
250 Hz 180 180
500 Hz 180 180
1000 Hz 180 180
2000 Hz 180 180
4000 Hz 75 75
8000 Hz 96 96
LC1‑WC06E8 Acoustical performance specified per octave. * (all measurements are done with a
pink noise signal; the values are in dBSPL).
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
220 mm (8.67 in)
43 mm (1.69 in)
23 mm (0.9 in)
66 mm (2.59 in)
4
0
6W
3W
1.5W
0.75W
-
70V
0
-W
6W
3W
1.5W
0.75W
100V
60
70
80
90
100
110
10 100 1000 10000 100000
dB SPL
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
1000 2000 4000 8000
LC1 Modular Ceiling Loudspeaker
Range
Technical Data | en 29
3.5.2
LC1-WM06E8
Figure 3.4: Dimensions
Figure 3.5: Circuit diagram
Figure 3.6: Frequency response
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
Polar diagrams
en | Technical Data
30
LC1 Modular Ceiling Loudspeaker
Range
Octave band sensitivity LC1-WM06E8
Octave SPL
1W/1m
Total octave SPL
1W/1m
Total octave SPL
Pmax/1m
125 Hz 83.4 - -
250 Hz 86.1 - -
500 Hz 85.1 - -
1000 Hz 87.8 - -
2000 Hz 91.2 - -
4000 Hz 89.7 - -
8000 Hz 89.3 - -
A-weighted - 86.9 94.2
Lin-weighted - 88.1 94.9
Octave band opening angles LC1-WM06E8
Horizontal Vertical
125 Hz 180 180
250 Hz 180 180
500 Hz 180 180
1000 Hz 180 180
2000 Hz 120 120
4000 Hz 128 128
8000 Hz 75 75
LC1‑WM06E8 Acoustical performance specified per octave. * (all measurements are done with a
pink noise signal; the values are in dBSPL).
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
220 mm (8.67 in)
39 mm (1.53 in)
23 mm (0.9 in)
62 mm (2.44 in)
4
0
6W
3W
1.5W
0.75W
-
70V
0
-W
6W
3W
1.5W
0.75W
100V
60
70
80
90
100
110
10 100 1000 10000 100000
dB SPL
BOSCH
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
125 250 500 1000
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
1000 2000 4000 8000
LC1 Modular Ceiling Loudspeaker
Range
Technical Data | en 31
3.5.3
LC1-UM06E8
Figure 3.7: Dimensions
Figure 3.8: Circuit diagram
Figure 3.9: Frequency response
Polar diagrams
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
en | Technical Data
32
LC1 Modular Ceiling Loudspeaker
Range
Octave band sensitivity LC1-UM06E8
Octave SPL
1W/1m
Total octave SPL
1W/1m
Total octave SPL
Pmax/1m
125 Hz 93.4 - -
250 Hz 88.4 - -
500 Hz 86.3 - -
1000 Hz 88.5 - -
2000 Hz 91.4 - -
4000 Hz 93.9 - -
8000 Hz 92.6 - -
A-weighted - 88.9 95.8
Lin-weighted - 90.4 96.5
Octave band opening angles LC1-UM06E8
Horizontal Vertical
125 Hz 180 180
250 Hz 180 180
500 Hz 180 180
1000 Hz 180 180
2000 Hz 108 108
4000 Hz 62 62
8000 Hz 38 38
LC1‑UM06E8 Acoustical performance specified per octave. * (all measurements are done with a
pink noise signal; the values are in dBSPL).
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
4
0
12W
6W
3W
1.5W
-
70V
0
-W
12W
6W
3W
1.5W
100V
60
70
80
90
100
110
10 100 1000 10000 100000
dB SPL
-30
-25
-20
-15
-10
-5
0
5
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
125 250 500 1000
0
-30
-25
-20
-15
-10
-5
0
5
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
1000 2000 4000 8000
pink noise octave
LC1 Modular Ceiling Loudspeaker
Range
Technical Data | en 33
3.5.4
LC1-UM12E8
Figure 3.10: Dimensions
Figure 3.11: Circuit diagram
Figure 3.12: Frequency response
Polar diagrams
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
en | Technical Data
34
LC1 Modular Ceiling Loudspeaker
Range
Octave band sensitivity LC1-UM12E8
Octave SPL
1W/1m
Total octave SPL
1W/1m
Total octave SPL
Pmax/1m
125 Hz 89.4 - -
250 Hz 87.3 - -
500 Hz 86.5 - -
1000 Hz 88.6 - -
2000 Hz 90.0 - -
4000 Hz 94.0 - -
8000 Hz 93.7 - -
A-weighted - 88.9 99.3
Lin-weighted - 90.3 100.2
Octave band opening angles LC1-UM12E8
Horizontal Vertical
125 Hz 180 180
250 Hz 180 180
500 Hz 180 180
1000 Hz 180 180
2000 Hz 108 108
4000 Hz 64 64
8000 Hz 62 62
LC1‑UM12E8 Acoustical performance specified per octave. * (all measurements are done with a
pink noise signal; the values are in dBSPL).
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
0
24W
12W
6W
3W
-
70V
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12W
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3W
100V
4
60
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110
10 100 1000 10000 100000
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BOSCH
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125 250 500 100 0
-30
-25
-20
-15
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1000 20 00 4000 8000
LC1 Modular Ceiling Loudspeaker
Range
Technical Data | en 35
3.5.5
LC1-UM24E8
Figure 3.13: Dimensions
Figure 3.14: Circuit diagram
Figure 3.15: Frequency response
Polar diagrams
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
en | Technical Data
36
LC1 Modular Ceiling Loudspeaker
Range
Octave band sensitivity LC1-UM24E8
Octave SPL
1W/1m
Total octave SPL
1W/1m
Total octave SPL
Pmax/1m
125 Hz 89.9 - -
250 Hz 88.3 - -
500 Hz 89.0 - -
1000 Hz 88.6 - -
2000 Hz 91.5 - -
4000 Hz 95.6 - -
8000 Hz 93.8 - -
A-weighted - 90.0 103.1
Lin-weighted - 91.3 103.8
Octave band opening angles LC1-UM24E8
Horizontal Vertical
125 Hz 180 180
250 Hz 180 180
500 Hz 180 180
1000 Hz 180 180
2000 Hz 106 106
4000 Hz 58 58
8000 Hz 57 57
LC1‑UM24E8 Acoustical performance specified per octave. * (all measurements are done with a
pink noise signal; the values are in dBSPL).
2017.03 | V1.03 | Installation note Bosch Security Systems B.V.
LC1 Modular Ceiling Loudspeaker
Range
Technical Data | en 37
3.6
EC declaration of conformity
Figure 3.16: CE label
Bosch Security Systems B.V. Installation note 2017.03 | V1.03 |
Bosch Security Systems B.V.
Torenallee 49
5617 BA Eindhoven
Netherlands
www.boschsecurity.com
© Bosch Security Systems B.V., 2017
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