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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)

                                                             u   Rugged construction

                                                             u   Modern non-reflective dark grey finish




 With this unidirectional microphone, Bosch provides         Installation/Configuration Notes
 impressive audio performance at an economical price.
 The LBC 2900/xx is based on a dynamic transducer                                  52,4
 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                                              165
 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).               Dimensions in mm

 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.
2 | LBC 2900/xx Unidirectional Handheld Microphones



Circuit diagram                                                         * 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
Frequency response
                                                                        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
                                                                        with 7 m (23 ft) cable XLR female / 6.3 mm (1/4")
                                                                        stereo Jack plug connection cable
                                                                        Order number LBC2900/15

                                                                        LBC 2900/20 Unidirectional Handheld Microphone
                                                                        with 7 m (23 ft) cable XLR male/ female connection
                                                                        cable
                                                                        Order number LBC2900/20
                                                                        Accessories
                                                                        LBC 1215/01 Microphone Clamp
Polar diagram                                                           spring-loaded microphone holder, friction angular
Parts Included                                                          adjustment
                                                                        Order number LBC1215/01
Quantit       Component                                                 LBC 1221/01 Floor Stand
y
                                                                        Three folding legs, adjustable length with twist clamp.
1             LBC 2900/15 with 7 m (23 ft)shielded black cable          Order number LBC1221/01
              terminated with a 6.3 mm (1/4”) stereo jack plug
              or                                                        LBC 1227/01 Table Stand
              LBC 2900/20 with a 7 m (23 ft) shielded black cable       with 3/8" Whitworth stud; 130 mm (5.12 in) diameter
              terminated with an XLR male plug                          Order number LBC1227/01
1             Stand bracket with push-on clip for use with microphone   LBC 1226/01 Adjustable Boom
              stand, and screw-thread adapter for 3/8", 1/2", or        maximum reach of 670 mm (2.12 ft); length 840 mm
              5/8“ Whitworth-threaded stand
                                                                        (2.76 ft)
                                                                        Order number LBC1226/01
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
3 | LBC 2900/xx Unidirectional Handheld Microphones




Represented by:

Americas:                               Europe, Middle East, Africa:         Asia-Pacific:
Bosch Communications Systems            Bosch Security Systems B.V.          Robert Bosch (SEA) Pte Ltd
12000 Portland Avenue South             P.O. Box 80002                       11 Bishan Street 21
Burnsville, Minnesota 55337, USA        5600 JB Eindhoven, The Netherlands   Singapore 573943
Phone: +1-800-392-3497                  Phone: + 31 40 2577 284              Phone: +65 6571 2600
Fax: +1-800-955-6831                    Fax: +31 40 2577 330                 Fax: +65 6571 2698
audiosupport@us.bosch.com               emea.securitysystems@bosch.com       apr.securitysystems@bosch.com
www.boschsecurity.com                   www.boschsecurity.com                www.boschsecurity.com

© Bosch Security Systems 2012 | Data subject to change without notice
1852860555 | en, V1, 16. Apr 2012

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  • 1. 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) u Rugged construction u Modern non-reflective dark grey finish With this unidirectional microphone, Bosch provides Installation/Configuration Notes impressive audio performance at an economical price. The LBC 2900/xx is based on a dynamic transducer 52,4 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 165 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). Dimensions in mm 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.
  • 2. 2 | LBC 2900/xx Unidirectional Handheld Microphones Circuit diagram * 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 Frequency response 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 with 7 m (23 ft) cable XLR female / 6.3 mm (1/4") stereo Jack plug connection cable Order number LBC2900/15 LBC 2900/20 Unidirectional Handheld Microphone with 7 m (23 ft) cable XLR male/ female connection cable Order number LBC2900/20 Accessories LBC 1215/01 Microphone Clamp Polar diagram spring-loaded microphone holder, friction angular Parts Included adjustment Order number LBC1215/01 Quantit Component LBC 1221/01 Floor Stand y Three folding legs, adjustable length with twist clamp. 1 LBC 2900/15 with 7 m (23 ft)shielded black cable Order number LBC1221/01 terminated with a 6.3 mm (1/4”) stereo jack plug or LBC 1227/01 Table Stand LBC 2900/20 with a 7 m (23 ft) shielded black cable with 3/8" Whitworth stud; 130 mm (5.12 in) diameter terminated with an XLR male plug Order number LBC1227/01 1 Stand bracket with push-on clip for use with microphone LBC 1226/01 Adjustable Boom stand, and screw-thread adapter for 3/8", 1/2", or maximum reach of 670 mm (2.12 ft); length 840 mm 5/8“ Whitworth-threaded stand (2.76 ft) Order number LBC1226/01 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
  • 3. 3 | LBC 2900/xx Unidirectional Handheld Microphones Represented by: Americas: Europe, Middle East, Africa: Asia-Pacific: Bosch Communications Systems Bosch Security Systems B.V. Robert Bosch (SEA) Pte Ltd 12000 Portland Avenue South P.O. Box 80002 11 Bishan Street 21 Burnsville, Minnesota 55337, USA 5600 JB Eindhoven, The Netherlands Singapore 573943 Phone: +1-800-392-3497 Phone: + 31 40 2577 284 Phone: +65 6571 2600 Fax: +1-800-955-6831 Fax: +31 40 2577 330 Fax: +65 6571 2698 audiosupport@us.bosch.com emea.securitysystems@bosch.com apr.securitysystems@bosch.com www.boschsecurity.com www.boschsecurity.com www.boschsecurity.com © Bosch Security Systems 2012 | Data subject to change without notice 1852860555 | en, V1, 16. Apr 2012