- Description
Details
The LBC 3432/03 is a powerful 20 W sound projector intended for speech and music reproduction in indoor and outdoor applications. The sturdy, aluminum enclosure is finished in the color white. It has provisions for cable loop through connection and inside mounting of a line- or loudspeaker- supervision board. The sound projector is suitable for use in voice alarm systems.
The sound projector has provision inside for mounting an optional line/loudspeaker supervision board. The loudspeaker has built-in protection to secure that, in the event of a fire; damage to the loudspeaker does not result in failure of the circuit to which it is 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.
The sound projector is constructed from extruded aluminum and finished in white. The front-grill, rear cover and bracket are made from aluminum to increase corrosion resistance.
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 improved reliability under extreme conditions, leading to higher customer satisfaction, longer operating life, and lessons the chance of failure or performance deterioration.- Features
Features
- Excellent speech and music reproduction
- Provision for supervision board mounting
- (Suspended) ceiling and/or wall mounting
- Water and dust protected to IP 66
- EN 54‑24 certified
- Specification
Maximum power 30 W Rated power (PHC) 20 / 10 / 5 / 2.5 W Power Tapping 20 / 10 / 5 / 2.5 W(1.25 W, 70 V only) Sound pressure levelat 20 W / 1 W (1kHz, 1 m) 107 / 94 dB (SPL) Opening angleat 1 kHz / 4 kHz (-6 dB) 224° / 56° Effective frequency range (-10 dB) 170 Hz to 20 kHz Rated voltage 70 V / 100 V Rated impedance 250 / 500 ohm 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% Color White (RAL 9010) Material Aluminum Connector Screw terminal block Cable diameter 0.24‑0.47" (6‑12 mm) Dimensions (H x D) 7.9" (200 mm) x 5.7" (146 mm) Weight 5.7 lbs (2.6 kg) - Reviews
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