Communications Systems | LC5-WC06E4 Ceiling Loudspeaker
LC5-WC06E4 Ceiling Loudspeaker
www.boschsecurity.com
u Suitable for speech and music reproduction
u Extreme compact size
u Suitable for use in humidity-, chlorine- and salty
environments
The LC5‑WC06E4 is an extreme compact ceiling
loudspeaker, suitable for speech and background
music reproduction. The design of the front grille
perfectly matches with current available recessed
luminaires, integrating light and sound.
The optional back‑box LC5‑CBB fully protects the rear
of the loudspeaker from dust and dripping water from
above, making the combination IP 44 protected.
The loudspeaker frame, grille and back‑box are
manufactured from self‑extinguishing ABS according to
UL 94 V 0.
This ceiling loudspeaker is suitable for use in low
ceiling applications with low noise level. The small
driver used in the unit stands for delivering good
sound quality from a small sized unit and provides a
wide opening angle for the important frequency
octaves. Fewer loudspeakers are needed to cover a
given area, and the noticeable “fading” that occur as a
listener walks from one loudspeaker to another area is
eliminated.
The loudspeaker (with assembled back‑box) is suitable
for use in humidity-, chlorine- and salty environments.
u Selectable 70 V ,100 V and 8 Ohm input
u EN 54‑24 certified
Certifications and approvals
Quality assurance
All Bosch loudspeakers are designed to withstand
operating at their rated power for 100 hours in
accordance with IEC 268-5 Power Handling Capacity
(PHC) standards. Bosch has also developed the
Simulated Acoustical Feedback Exposure (SAFE) test
to demonstrate that they can withstand two times
their rated power for short durations. This ensures
improved reliability under extreme conditions, leading
to higher customer satisfaction, longer operating life,
and lessons the chance of failure or performance
deterioration.
Safety According to EN 60065
Water and dust
According to EN 60529 IP 44
protected*
Emergency* According to EN 54‑24
Compliant to BS 5839 part 8
Salt mist* According to IEC 60068‑2‑11
Chlorine resistant* According to IEC 60068‑2‑60
* With LC5‑CBB back‑box.
41
1.62
83.50
3.28
6
6
0.23
0.23
88
3.46
120.5
4.74
73.60
2.89
2 x
11
0.43
40.90
1.61
78
3.07
68.41
2.69
mm
in
1.5W 0.75W
1.5W
0.75W
3W
3W6W
6W
8Ω
8Ω
0
C
1.5W 0.75W
1.5W
0.75W
100V
100V
70.7V
70.7V
3W
3W6W
6W
8Ω
0
C
6W
dB SPL
60
70
80
90
100
110
10 100 1000 10000 100000
Frequency
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
| LC5-WC06E4 Ceiling Loudspeaker
2
Region Certification
Europe CE
Poland CNBOP
Installation/configuration notes
Installation is easy with two integral leaf springs that
securely hold the loudspeaker in its cut‑out. The
integral leaf springs can be adjusted in three positions
to accommodate ceiling thicknesses from 5 mm to
25 mm. The size of the ceiling cut‑out opening is
standardized on available 3” (76.2 mm) cutting hole
saws.
No tool required for fitting the loudspeaker into the
ceiling cut‑out.
The loudspeaker has built‑in protection to ensure that,
in the event of a fire, damage to the loudspeaker does
not result in failure of the circuit to which it is
connected. In this way, system integrity is maintained;
ensuring loudspeakers in other areas can still be used
to inform people of the situation.
The loudspeaker has ceramic screw‑terminal
connection blocks, thermal fuse and heat-resistant
high temperature wiring.
Connections are made using two 2‑way screw terminal
blocks at the rear of the loudspeaker, where each
incoming and outgoing conductor of the same
potential can be connected to a separate terminal.
Power tapping on both 70 V and 100 V allows
selection of full‑power, half‑power, quarter‑power and
eight‑power radiation, and 8 Ohm.
The optional back‑box (LC5‑CBB) protects the rear of
the loudspeaker from water and dust, falling objects,
makes the unit vermin proof and prevents sound
traveling via the ceiling cavity to adjacent areas. The
back‑box is assembled with the loudspeaker by means
of a snap‑in construction and has on top two
knock‑out holes for two rubber cable grommets
(11 mm/0.43”), standard supplied.
Circuit diagrams 8 Ohm and 6 W connection
Frequency response
Dimensions LC5‑WC06E4 and LC5‑CBB
Horizontal/vertical polar diagram (low frequency).
Normalized at 0-degrees axis.
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
3 | LC5-WC06E4 Ceiling Loudspeaker
Acoustical performance specified per octave
* (all measurements are done with a pink noise signal;
the values are in dBSPL)
Parts included
Quantity Components
1 LC5‑WC06E Ceiling Loudspeaker
1 Installation Instruction
1 Ceiling cut‑out template
Technical specifications
Electrical*
LC5‑WC06E4
Description Ceiling Loudspeaker
Maximum power 9 W
Rated power 6 W (6/3/1.5/0.75W)
Sound pressure level
90 dB / 82 dB (SPL)
at 6 W power / 1 W
Horizontal/vertical polar diagram (high frequency).
Normalized at 0-degrees axis.
(1 kHz, 1 m)
Opening angle
180° / 180°
at 1 kHz / 4kHz (-6 dB)
Octave band sensitivity *
Octave SPL
1W/1m
Total octave
SPL
1W/1m
Total octave
SPL
Pmax/1m
125 Hz 77.3 - -
250 Hz 80.8 - -
500 Hz 83.6 - -
1000 Hz 82.1 - -
2000 Hz 84.8
4000 Hz 87.3 - -
8000 Hz 84.4 - -
A-weighted - 82.0 88.6
Lin-weighted - 82.5 89.4
Octave band opening angles *
Horizontal Vertical
125 Hz 180 180
250 Hz 180 180
Effective frequency range
85 Hz to 20 kHz
(-10 dB)
Rated voltage 6.93 / 70 / 100 V
Rated impedance 8 / 835 / 1667 Ohm
Electrical connection 2x two‑way screw terminal block
Acceptable wire gauge 0.5 – 2 mm
Mechanical
LC5‑WC06E4
Description Ceiling Loudspeaker
Diameter 88 mm (3.46 in)
Mounting cut‑out 76 mm (2.99 in)
Min./Max. ceiling thickness 5 to 25 mm (0.19 to 0.98 in)
Maximum depth 78 mm (3.07 in)
Material ABS (V 0)
Weight 395 g ( 0.87lb)
Color White (RAL 9003)
500 Hz 180 180
1000 Hz 180 180
2000 Hz 180 180
4000 Hz 180 180
8000 Hz 72 72
LC5‑CBB
Description Back‑Box
Diameter 75 mm (2.95 in)
Maximum depth 83.5 mm (3.29 in)
Material ABS (V 0)
1438
Bosch Security Systems BV
Torenallee 49, 5617 BA Eindhoven, The Netherlands
10
1438-CPR-0372
EN 54-24:2008
Loudspeaker for voice alarm systems
for fire detection and fire alarm systems for buildings
Ceiling Loudspeaker 6 W and accessories
LC5-WC06E4 and LC5-CBB
Type B
4 | LC5-WC06E4 Ceiling Loudspeaker
Represented by:
Americas: Europe, Middle East, Africa: Asia-Pacific: China: America Latina:
Bosch Security Systems, Inc.
12000 Portland Avenue South
Burnsville MN 55337, USA
Phone: +1-800-392-3497
Fax: +1-800-955-6831
audiosupport@us.bosch.com
www.boschsecurity.com
Bosch Security Systems B.V.
P.O. Box 80002
5617 BA Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
emea.securitysystems@bosch.com
www.boschsecurity.com
Robert Bosch (SEA) Pte Ltd, Security
Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6571 2808
Fax: +65 6571 2699
apr.securitysystems@bosch.com
www.boschsecurity.asia
Bosch (Shanghai) Security Systems Ltd.
201 Building, No. 333 Fuquan Road
North IBP
Changning District, Shanghai
200335 China
Phone +86 21 22181111
Fax: +86 21 22182398
www.boschsecurity.com.cn
Robert Bosch Ltda Security Systems Division
Via Anhanguera, Km 98
CEP 13065-900
Campinas, Sao Paulo, Brazil
Phone: +55 19 2103 2860
Fax: +55 19 2103 2862
latam.boschsecurity@bosch.com
www.boschsecurity.com
© Bosch Security Systems 2015 | Data subject to change without notice
13099507595 | en, V7, 01. Jul 2015
Weight 41 g (0.09 lb)
Color White (RAL 9003)
Environmental
Operating temperature -25 ºC to +55 ºC
(-13 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC
(-40 ºF to +158 ºF)
Relative humidity <95%
Ordering information
LC5-WC06E4 Ceiling Loudspeaker
Ceiling loudspeaker 6 W, circular, ABS grille, compact
design, ceiling mounted by two leaf springs, white
RAL 9003.
Order number LC5-WC06E4
LC5-CBB Back-Box
Back box for mounting onto the LC5 loudspeaker,
protects the rear of the loudspeaker from dust and
dripping water, makes the unit vermin proof, and
prevents sound traveling via the ceiling cavity to
adjacent areas, white RAL 9003.
Order number LC5-CBB
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