LBC 3090 31 PDF

Functions A flush-mounting ceiling loudspeaker is available for general purpose applications. This full-range loudspeaker offers a high sound pressure level and a wide frequency range, and is suitable for both speech and music reproduction in shops, department stores, schools, offices, sports halls, hotels and restaurants. The loudspeaker assembly consists of a single-piece, 6 W dual-cone loudspeaker and frame, with a V matching transformer mounted on the back. A circular metal grille is integrated with the front.

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Bosch loudspeakers offer a combination of quality, performance and innovation in public address. The assembly can be simply and quickly installed into a hole in the ceiling cavity and secured by two integral spring-loaded ceiling locking clamps for ceilings and wall boards from 9 to 25 mm thick. A circular template for marking a mm 6. The unit has a two-way terminal block with push connections suitable for loop-through wiring. Three primary taps are provided on the matching transformer to allow selection of nominal full-power, half-power or quarter-power radiation i.

During a fire, the ceiling cavity can allow fire or smoke to spread throughout a building. This is mounted on the loudspeaker assembly using four selftapping screws supplied with the fire dome. The firedome has knock-out holes for two grommets supplied and two cable glands PG Functions A flush-mounting ceiling loudspeaker is available for general purpose applications.

This full-range loudspeaker offers a high sound pressure level and a wide frequency range, and is suitable for both speech and music reproduction in shops, department stores, schools, offices, sports halls, hotels and restaurants. The loudspeaker assembly consists of a single-piece, 6 W dual-cone loudspeaker and frame, with a V matching transformer mounted on the back.

A circular metal grille is integrated with the front. The appearance and neutral white colour have been selected to be unobtrusive in virtually all interiors. A dust cover protects the rear. 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 extra reliability under extreme conditions, leading to higher customer satisfaction, longer operating life, and much less chance of failure or performance deterioration. Installation The assembly can be simply and quickly installed into a hole in the ceiling cavity and secured by two integral spring-loaded ceiling locking clamps for ceilings and wall boards from 9 to 25 mm thick.

Terminal Block The unit has a two-way terminal block with push connections suitable for loop-through wiring. Related Products. Read More. Get in Touch! All Rights Reserved. Powered by Codage Corporation Ltd. Mixier Amplifier. Call for Price. Call Us. Send me a copy.

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