Bosch LBC 3099/41 Ceiling Loudspeaker Data Sheet En US 1922584587

User Manual: Bosch Data Sheet LBC3099/41 Ceiling loudspeaker, 24W, 8

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Communications Systems | LBC 3099/41 Ceiling Loudspeaker

LBC 3099/41 Ceiling Loudspeaker
www.boschsecurity.com

u

Excellent speech and music reproduction

u

High sound pressure level

u

Ideal for high-ceiling applications

u

Flush mounted in ceilings

u

Clamp mounting

The LBC 3099/41 is a flush-mounting ceiling
loudspeaker for applications where extra power is
required, such as rooms with high ceilings. It delivers a
high sound pressure level and has a wide frequency
range to ensure excellent speech intelligibility and
good quality music reproduction. It is used in
applications like shops, department stores, schools,
offices, sports halls, hotels and restaurants.

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
a ceramic terminal block, thermal fuse and heat
resistant, high-temperature wiring.
It can also be fitted with an optional fire-dome
LBC 3082/00 to increase protection of the cable
termination.

Functions

Certifications and approvals

The LBC 3099/41 has a single-piece, 24 W, dual-cone
loudspeaker. A 100 V matching transformer is
mounted on the back of the frame. An attractive metal
grille is integrated with the front, and finished in an
unobtrusive white color (RAL 9010).

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
extra reliability under extreme conditions, leading to
higher customer satisfaction, longer operating life, and
much less chance of failure or performance
deterioration.

Voice alarm loudspeaker
Voice alarm loudspeakers are specifically designed for
use in buildings where performance of systems for
verbal evacuation announcements is governed by
regulations. The LBC 3099/41 is designed for use in
voice alarm systems and is compliant with emergency
standards.
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

2 | LBC 3099/41 Ceiling Loudspeaker

Safety

acc. to EN 60065

Emergency

acc. to BS 5839‑8 / EN 60849

Ball-proof

acc. to DIN VDE 0710 part 13

Region

Certification

Europe

CE

Installation/configuration notes

Frequency response
0°

0°
0

30°

30°

-20
60°

60°
-40

90°

90°
-40

120°

120°
-20

LBC 3099/41 with LBC 3082/00 fire dome assembly
The unit has two built-in spring-loaded locking clamps
to secure it into a hole in suspended ceilings and
wallboards from 9 to 25 mm (0.35 to 1.0 in) thick. A
circular template for marking a 210 mm (8.3 in)
diameter hole is included with the loudspeaker.
Terminal Block
The unit has a three-way terminal block with screw
connections (including earth) suitable for loop-through
wiring. Three primary taps are provided on the
matching transformer to allow selection of nominal
full-power, half-power or quarter-power radiation (in
3 dB steps).

150°

150°

0
180° 180°

2000 Hz
4000 Hz
8000 Hz

250 Hz
500 Hz
1000 Hz

Polar diagram (measured with pink noise)
125
Hz

250
Hz

500
Hz

1
kHz

2
kHz

4
kHz

8
kHz

SPL 1.1

94

92

90

92

94

93

86

SPL
max.

108

106

104

10
6

10
8

10
7

10
0

Q-factor

3.7

4.5

2.8

5.2

8.9

17.
4

34

Efficien
cy

0.85

0.44

0.63

0.3
8

0.3
6

0.1
4

0.0
2

H. angle

180

180

180

16
0

90

60

40

V. angle

180

180

180

16
0

90

60

40

Acoustical performance specified per octave
0
24W
12W

Dimensions in mm (in)

6W

8

3 | LBC 3099/41 Ceiling Loudspeaker

Circuit diagram

Accessories
LBC 3082/00 Fire Dome

Parts included

Metal fire dome for LBC 3099/41 ceiling loudspeaker,
Flame red RAL 3000.

Quantity

Components

1

LBC 3099/41 Ceiling Loudspeaker

1

210 mm (8.3 in) circular template

Technical specifications
Electrical*
Maximum power

36 W

Rated power (PHC)

24 / 12 / 6 W

Sound pressure level
at 24 W / 1 W (1 kHz, 1 m)

106 dB / 92 dB (SPL)

Sound pressure level
at 24 W / 1 W (4 kHz, 1 m)

107 dB / 93 dB (SPL)

Effective frequency range
(-10 dB)

60 Hz to 18 kHz

Opening angle
at 1 kHz/4 kHz (-6 dB)

160° / 60°

Rated voltage

100 V

Rated impedance

417 ohm

Connector

3-pole screw terminal block

* Technical performance data acc. to IEC 60268-5
Mechanical
Diameter

265 mm (10.4 in)

Maximum depth

89 mm (3.5 in)

Mounting cut-out

210 mm (8.3 in)

Speaker diameter

203.2 mm (8 in)

Weight

1.8 kg (4 lb)

Color

White (RAL 9010)

Magnet weight

283 g (10 oz)

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
LBC 3099/41 Ceiling Loudspeaker

Ceiling loudspeaker, 24 W, integrated circular metal
grille, two spring-loaded clamps for ceiling mounting,
three-way screw terminal block, white RAL 9010.
Order number LBC3099/41

Order number LBC 3082/00

4 | LBC 3099/41 Ceiling Loudspeaker

Represented by:
Americas:
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

Europe, Middle East, Africa:
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

© Bosch Security Systems 2015 | Data subject to change without notice
1922367883 | en, V5, 01. Jul 2015

Asia-Pacific:
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

China:
America Latina:
Bosch (Shanghai) Security Systems Ltd. Robert Bosch Ltda Security Systems Division
201 Building, No. 333 Fuquan Road
Via Anhanguera, Km 98
North IBP
CEP 13065-900
Changning District, Shanghai
Campinas, Sao Paulo, Brazil
200335 China
Phone: +55 19 2103 2860
Phone +86 21 22181111
Fax: +55 19 2103 2862
Fax: +86 21 22182398
latam.boschsecurity@bosch.com
www.boschsecurity.com.cn
www.boschsecurity.com



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