Bosch LBC2900-20, LBC2900-15 Specsheet
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Communications Systems | LBC 2900/xx Unidirectional Handheld Microphones
LBC 2900/xx Unidirectional Handheld
Microphones
www.boschsecurity.com
u Unidirectional dynamic microphone
u Handheld or stand-mounted use with clip (supplied)
With this unidirectional microphone, Bosch provides
impressive audio performance at an economical price.
The LBC 2900/xx is based on a dynamic transducer
element that is designed for high speech intelligibility.
Its rugged enclosure is both stylish and easy to use in
a wide range of public and sound reinforcement
applications.
Functions
The LBC 2900/xx is a unidirectional microphone
intended for either handheld or stand-mounted use. It
has excellent cardioid directivity, which reduces
acoustic feedback. The built-in on/off switch on the
microphone body and the 3‑pin lockable XLR
connector at the base ensure that the microphone is
easy to install and securely connected. Its modern
design gives shielding against bursts (pops).
The LBC 2900/xx is ideal for use with Bosch mixing
amplifiers, which are fitted with jack or XLR
connectors for the input channels. Together, they
provide affordable yet highly versatile public address
solutions for shops, restaurants, leisure centers and
other smaller applications.
u Rugged construction
u Modern non-reflective dark grey finish
Installation/configuration notes
Dimensions in mm
2 | LBC 2900/xx Unidirectional Handheld Microphones
Circuit diagram
Frequency response
* Technical performance data acc. to IEC 60268-4
Mechanical
Dimensions (D x L) 52.4 x 165 mm (2.06 x 6.49 in)
Weight 270 g (9.5 oz)
Color Dark gray
Switch On/off slide
Cable length 7 m (23 ft)
Connector (/15) 6.3 mm (1/4") stereo jack
Connector (/20) 3‑pin XLR
Environmental
Operating temperature -10 °C to +55 °C (+14 °F to +131 °F)
Storage temperature -40 °C to +70 °C (-40 °F to +158 °F)
Relative humidity <95%
Ordering information
LBC 2900/15 Unidirectional Handheld Microphone
Dynamic handheld microphone, unidirectional, nonreflective dark gray finish, On/off switch. Supplied
with 7 m (23 ft) cable, XLR female / 6.3 mm (1/4”)
stereo jack plug connection cable, quick-release
microphone clamp, and storage box.
Order number LBC2900/15
Polar diagram
Parts included
QuantityComponent
1 LBC 2900/15 with 7 m (23 ft)shielded black cable
terminated with a 6.3 mm (1/4”) stereo jack plug
or
LBC 2900/20 with a 7 m (23 ft) shielded black cable
terminated with an XLR male plug
1 Stand bracket with push-on clip for use with microphone
stand, and screw-thread adapter for 3/8", 1/2", or
5/8“ Whitworth-threaded stand
Technical specifications
Electrical*
Type Handheld
Polar pattern Unidirectional
Frequency range 80 Hz to 12 kHz
Sensitivity 1.7 mV/Pa ±3 dB
Rated output impedance 600 ohm
LBC 2900/20 Unidirectional Handheld Microphone
Dynamic handheld microphone, unidirectional, nonreflective dark gray finish, On/off switch. Supplied
with 7 m (23 ft) cable, XLR male/ female connection
cable, quick-release microphone clamp, and storage
box.
Order number LBC2900/20
Accessories
LBC 1215/01 Microphone Clamp
Universal spring-loaded microphone holder, friction
angular adjustment, matt black, screws onto a 3/8",
1/2", or 5/8" Whitworth thread, holds microphone
stem with 19 to 32 mm diameter.
Order number LBC1215/01
LBC 1221/01 Floor Stand
Microphone floor stand, three folding legs, matt black,
adjustable length from 850 to 1600 mm
(2.79 to 5.25 ft) with twist clamp, threaded connector
3/8" Whitworth.
Order number LBC1221/01
LBC 1227/01 Table Stand
Table microphone stand, matt black, heavy round castiron base, 130 mm (5.12 in) diameter with shockabsorbing rubber insert under surface, with
3/8” Whitworth stud.
Order number LBC1227/01
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