Bosch LC1-UM24E8 Datasheet

Browse online or download Datasheet for Loudspeakers Bosch LC1-UM24E8. Bosch LC1-WM06E8 loudspeaker User Manual

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Communications Systems | LC1 Modular Ceiling Loudspeaker Range
LC1 Modular Ceiling Loudspeaker Range
www.boschsecurity.com
u Excellent speech and music reproduction
u Easy installation with one grille size and one
complete set of accessories
u Choice of different ceiling mounting methods
u Optional Pilot Tone indication
u EN 54‑24 certified
The LC1 Modular Ceiling Loudspeaker range can be
used for a wide variety of ceiling environments. They
provide excellent speech and music in indoor public
address applications. The range offers a choice of five
loudspeakers distinguished by input power, opening
angle and sound reproduction. It includes three 6 W
single cone loudspeakers offering a choice of opening
angle and two high performance 12 W and 24 W
coaxial loudspeaker drivers. They all have the same
grille size and can be used in combination with the
same mounting accessories.
The loudspeakers are suitable for use in air‑handling
spaces when installed with the LC1‑MFD enclosure.
The loudspeaker frame includes provision for
mounting the optional pilot-tone indication board or
WLS board and has standard a light conductor to
indicate the pilot-tone status.
Functions
Voice Alarm applications
Voice alarm loudspeakers are specifically designed for
use in buildings where system performance for verbal
evacuation announcements is governed by regulations.
The LC1 Modular Ceiling Loudspeaker range is
designed for use in voice alarm systems and is
EN 54‑24 certified and compliant with British standard
BS 5839‑8.
Protection
The loudspeakers have built-in protection to ensure
that fire damage to the loudspeakers does not cause
failure of the connected circuit. In this way system
integrity is maintained, ensuring loudspeakers in other
areas can still be used to inform people of the
situation.
The loudspeakers can also be used in combination
with a metal fire-dome to increase protection of the
cable termination.
Connections
The loudspeakers have a ceramic screw-terminal
connection block, thermal fuse and heat-resistant,
high-temperature wiring.
Certifications and approvals
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.
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Summary of Contents

Page 1

Communications Systems | LC1 Modular Ceiling Loudspeaker RangeLC1 Modular Ceiling Loudspeaker Range www.boschsecurity.com u Excellent speech and mu

Page 2

LC1‑MFD LC1‑PIBDescription Metal Fire Dome(including ceramicconnector)Pilot‑toneIndication BoardDimensions 215 x 155 mm(8.47 x 6.1 in)20 x 30 mm (0.

Page 3

LC1‑CSMB Surface Mounting Boxfor securing the ceiling loudspeaker to walls or hardceilings.Order number LC1-CSMBLC1‑MSK Metal Suspension Kitaccessory

Page 4 - 62 mm (2.44 in)

Bosch has also developed the Simulated AcousticalFeedback Exposure (SAFE) test to demonstrate thatthey can withstand two times their rated power forsh

Page 5 - 220 mm (8.67 in)

LC1-CMR and LC1-CBB Ceiling Mounting Ring and BackBox assemblyLC1-CSMB Surface Mounting BoxThis ABS Surface Mounting Box is available forsecuring the

Page 6

LM1-TB Tile bridge / C-ringThis accessory consists of a C‑ring and two tile rails, tobe used for reinforce the ceiling material and tospread out the p

Page 7

Octave band sensitivity LC1-WC06E8 Octave SPL1W/1mTotal octaveSPL1W/1mTotal octaveSPLPmax/1m125 Hz 85.3 - -250 Hz 88.3 - -500 Hz 87.5 - -1000 Hz 88.4

Page 8

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

Page 9 - Mechanical

4000 Hz 62 62 8000 Hz 38 38 LC1‑UM06E8 Acoustical performance specified peroctave. * (all measurements are done with a pink noisesignal; the values

Page 10

98.5 mm (3.87 in)23 mm (0.9 in)220 mm (8.67 in)121.5 mm (4.78 in)LC1‑UM24E8 Dimensions in mm (in)024W12W6W3W-70V0-W24W12W6W3W100V4LC1‑UM24E8 Circuit

Page 11 - LC1-CSMB

Effective frequencyrange (-10 dB)85 Hz to 20 kHz Rated voltage 70 V / 100 V Rated impedance 835 / 1667 Ohm Connector 3‑pole screw-terminal block

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