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Communications Systems | LBC 3087/41 Ceiling Loudspeaker



LBC 3087/41 Ceiling Loudspeaker
www.boschsecurity.com




                                                              u   Suitable for speech and music reproduction

                                                              u   Increased sensitivity

                                                              u   Flush-mounted in ceilings

                                                              u   Screw mounting

                                                              u   Simple power setting




 Voice alarm loudspeakers are specifically designed for       resistant, high-temperature wiring. It can also be fitted
 use in buildings where performance of systems for            with an optional fire-dome to increase protection of
 verbal evacuation announcements is governed by               the cable termination.
 regulations. The LBC 3087/41 is designed for use in
 voice alarm systems and is compliant with British            Certifications and Approvals
 standard BS 5839-8.
                                                              All Bosch loudspeakers are designed to withstand
 Functions                                                    operating at their rated power for 100 hours in
                                                              accordance with IEC 268-5 Power Handling Capacity
 The LBC 3087/41 is an economic flush-mounting                (PHC) standards. Bosch has also developed the
 ceiling loudspeaker for general-purpose applications. It     Simulated Acoustical Feedback Exposure (SAFE) test
 is a full-range loudspeaker for speech and music             to demonstrate that they can withstand two times
 reproduction in shops, department stores, schools,           their rated power for short durations. This ensures
 offices, sports halls, hotels and restaurants.               extra reliability under extreme conditions, leading to
 The LBC 3087/41 has a single-piece, 6 W, dual-cone           higher customer satisfaction, longer operating life, and
 loudspeaker. A 100 V matching transformer is                 much less chance of failure or performance
 mounted on the back of the frame. The circular metal         deterioration.
 grille is an integrated part of the front, and is finished
 in an unobtrusive white color (RAL 9010)                     Safety                 acc. to EN 60065
 The loudspeaker has built-in protection to ensure that,      Emergency              acc. to BS 5839‑8 / EN 60849
 in the event of a fire, damage to the loudspeaker does
 not result in failure of the circuit to which it is          Ball-proof             acc. to DIN VDE 0710 part 13
 connected. In this way, system integrity is maintained,      * Water and            acc. to EN 60529‑IP32
 ensuring loudspeakers in other areas can still be used       dust protection
 to inform people of the situation. The loudspeaker has
 ceramic terminal blocks, thermal fuse and heat-
2 | LBC 3087/41 Ceiling Loudspeaker




         Notice
         * only in combination with the LBC 3080/01 Fire
         Dome


Region           Certification

Poland           CNBOP
                 CNBOP
Europe           CE

Installation/Configuration Notes                           Circuit diagram
Installation
The assembly is quickly installed into a hole in the
ceiling cavity and secured with three white-colored
screws (supplied). A circular template for marking a
165 mm (6.5 in) diameter hole is included with the
loudspeaker.
Terminal Block
The unit has a three-way terminal block with screw
connections suitable for loop-through wiring. Four
primary taps are provided on the matching transformer
to allow selection of nominal full-power, half-power,      Frequency response
quarter-power or eighth power radiation (i.e. in 3 dB
steps).
Fire dome
During a fire, the ceiling cavity in which loudspeakers
are installed can allow flames to spread throughout a
building. To prevent fire entering the caving via the
loudspeaker, the ceiling loudspeaker can be fitted with
a protective steel fire dome (LBC 3080/01). This
optional fire dome is mounted on the loudspeaker
assembly using four self-tapping screws, supplied as
standard. There are four knock-out holes; two (2) for
rubber grommets (supplied) and two (2) for cable
glands. (PG13).




                                                           Polar diagram (measured with pink noise)

                                                                      125    250   500    1      2     4     8
                                                                      Hz     Hz    Hz     kHz    kHz   kHz   kHz

                                                           SPL 1.1    94     91    86     89     94    94    86

                                                           SPL max.   102    99    94     97     10    10    94
Dimensions in mm (in)                                                                            2     2

                                                           Q-factor   3      4.7   2.3    4.5    6.6   11    17
3 | LBC 3087/41 Ceiling Loudspeaker



Efficienc       1.1     0.4     0.2      0.2      0.4    0.3        0.0   Ordering Information
y                                        2        8                 3
                                                                          LBC 3087/41 Ceiling Loudspeaker
H. angle        170     150     180      16       10     65         55    6 W, dual-cone flush-mounting ceiling loudspeaker for
                                         0        0                       general-purpose applications.
V. angle        170     150     180      16       10     65         55    Order number LBC3087/41
                                         0        0                       Accessories
Acoustical performance specified per octave                               LBC 3080/01 Fire Dome
                                                                          metal fire dome for the LBC 3087/41, LBC 3090/01,
Parts Included                                                            LBC 3090/31, LHM 0606/00 and LHM 0606/10 ceiling
                                                                          loudspeakers
Quantity      Component                                                   Order number LBC 3080/01
1             LBC 3087/41 Ceiling Loudspeaker
3             White colored screws
1             165 mm circular template

Technical Specifications

Electrical*

Maximum power                   9W

Rated power                     6 / 3 / 1.5 / 0.75 W

Sound pressure level            97 dB / 89 dB (SPL)
at 6 W / 1 W (1 kHz, 1 m)

Sound pressure level            102 dB / 94 dB (SPL)
at 6 W / 1 W (4 kHz, 1 m)

Effective frequency range       80 Hz to 18 kHz
(-10 dB)

Opening angle at                160° / 65°
1 kHz / 4 kHz (-6 dB)

Rated voltage                   100 V

Rated impedance                 1667 ohm

Connector                       3-pole screw terminal block
* Technical performance data acc. to IEC 60268-5
Mechanical

Diameter                       199 mm (7.8 in)

Maximum depth                  70.5 mm (2.8 in)

Mounting cut-out               165 + 5 mm (6.5 + 0.20 in)

Speaker diameter               152.4 mm (6 in)

Weight                         720 g (1.6 lb)

Color                          White (RAL 9010)

Magnet weight                  80 g (2.8 oz)

Environmental

Operating temperature           -25 to +55 ºC (-13 ºF to +131 ºF)

Storage temperature             -40 to +70 ºC (-40 ºF to +158 ºF)

Relative humidity               <95%
4 | LBC 3087/41 Ceiling Loudspeaker




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
1921616523 | en, V1, 16. Apr 2012

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Data sheet en_us_1921837579

  • 1. Communications Systems | LBC 3087/41 Ceiling Loudspeaker LBC 3087/41 Ceiling Loudspeaker www.boschsecurity.com u Suitable for speech and music reproduction u Increased sensitivity u Flush-mounted in ceilings u Screw mounting u Simple power setting Voice alarm loudspeakers are specifically designed for resistant, high-temperature wiring. It can also be fitted use in buildings where performance of systems for with an optional fire-dome to increase protection of verbal evacuation announcements is governed by the cable termination. regulations. The LBC 3087/41 is designed for use in voice alarm systems and is compliant with British Certifications and Approvals standard BS 5839-8. All Bosch loudspeakers are designed to withstand Functions operating at their rated power for 100 hours in accordance with IEC 268-5 Power Handling Capacity The LBC 3087/41 is an economic flush-mounting (PHC) standards. Bosch has also developed the ceiling loudspeaker for general-purpose applications. It Simulated Acoustical Feedback Exposure (SAFE) test is a full-range loudspeaker for speech and music to demonstrate that they can withstand two times reproduction in shops, department stores, schools, their rated power for short durations. This ensures offices, sports halls, hotels and restaurants. extra reliability under extreme conditions, leading to The LBC 3087/41 has a single-piece, 6 W, dual-cone higher customer satisfaction, longer operating life, and loudspeaker. A 100 V matching transformer is much less chance of failure or performance mounted on the back of the frame. The circular metal deterioration. grille is an integrated part of the front, and is finished in an unobtrusive white color (RAL 9010) Safety acc. to EN 60065 The loudspeaker has built-in protection to ensure that, Emergency acc. to BS 5839‑8 / EN 60849 in the event of a fire, damage to the loudspeaker does not result in failure of the circuit to which it is Ball-proof acc. to DIN VDE 0710 part 13 connected. In this way, system integrity is maintained, * Water and acc. to EN 60529‑IP32 ensuring loudspeakers in other areas can still be used dust protection to inform people of the situation. The loudspeaker has ceramic terminal blocks, thermal fuse and heat-
  • 2. 2 | LBC 3087/41 Ceiling Loudspeaker Notice * only in combination with the LBC 3080/01 Fire Dome Region Certification Poland CNBOP CNBOP Europe CE Installation/Configuration Notes Circuit diagram Installation The assembly is quickly installed into a hole in the ceiling cavity and secured with three white-colored screws (supplied). A circular template for marking a 165 mm (6.5 in) diameter hole is included with the loudspeaker. Terminal Block The unit has a three-way terminal block with screw connections suitable for loop-through wiring. Four primary taps are provided on the matching transformer to allow selection of nominal full-power, half-power, Frequency response quarter-power or eighth power radiation (i.e. in 3 dB steps). Fire dome During a fire, the ceiling cavity in which loudspeakers are installed can allow flames to spread throughout a building. To prevent fire entering the caving via the loudspeaker, the ceiling loudspeaker can be fitted with a protective steel fire dome (LBC 3080/01). This optional fire dome is mounted on the loudspeaker assembly using four self-tapping screws, supplied as standard. There are four knock-out holes; two (2) for rubber grommets (supplied) and two (2) for cable glands. (PG13). Polar diagram (measured with pink noise) 125 250 500 1 2 4 8 Hz Hz Hz kHz kHz kHz kHz SPL 1.1 94 91 86 89 94 94 86 SPL max. 102 99 94 97 10 10 94 Dimensions in mm (in) 2 2 Q-factor 3 4.7 2.3 4.5 6.6 11 17
  • 3. 3 | LBC 3087/41 Ceiling Loudspeaker Efficienc 1.1 0.4 0.2 0.2 0.4 0.3 0.0 Ordering Information y 2 8 3 LBC 3087/41 Ceiling Loudspeaker H. angle 170 150 180 16 10 65 55 6 W, dual-cone flush-mounting ceiling loudspeaker for 0 0 general-purpose applications. V. angle 170 150 180 16 10 65 55 Order number LBC3087/41 0 0 Accessories Acoustical performance specified per octave LBC 3080/01 Fire Dome metal fire dome for the LBC 3087/41, LBC 3090/01, Parts Included LBC 3090/31, LHM 0606/00 and LHM 0606/10 ceiling loudspeakers Quantity Component Order number LBC 3080/01 1 LBC 3087/41 Ceiling Loudspeaker 3 White colored screws 1 165 mm circular template Technical Specifications Electrical* Maximum power 9W Rated power 6 / 3 / 1.5 / 0.75 W Sound pressure level 97 dB / 89 dB (SPL) at 6 W / 1 W (1 kHz, 1 m) Sound pressure level 102 dB / 94 dB (SPL) at 6 W / 1 W (4 kHz, 1 m) Effective frequency range 80 Hz to 18 kHz (-10 dB) Opening angle at 160° / 65° 1 kHz / 4 kHz (-6 dB) Rated voltage 100 V Rated impedance 1667 ohm Connector 3-pole screw terminal block * Technical performance data acc. to IEC 60268-5 Mechanical Diameter 199 mm (7.8 in) Maximum depth 70.5 mm (2.8 in) Mounting cut-out 165 + 5 mm (6.5 + 0.20 in) Speaker diameter 152.4 mm (6 in) Weight 720 g (1.6 lb) Color White (RAL 9010) Magnet weight 80 g (2.8 oz) Environmental Operating temperature -25 to +55 ºC (-13 ºF to +131 ºF) Storage temperature -40 to +70 ºC (-40 ºF to +158 ºF) Relative humidity <95%
  • 4. 4 | LBC 3087/41 Ceiling Loudspeaker 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 1921616523 | en, V1, 16. Apr 2012