Bosch LC3-UC06E – 6W Ceiling loudspeaker with spring arms

Bosch LC3-UC06E Ceiling loudspeaker

The Bosch LC3-UC06E is a general purpose, cost-effective 6 W ceiling loudspeaker, suitable for 100 V connection with power tapping of: 6, 3, 1.5 and 0.75 Watt.The optional back‑box LC3‑CBB fully protects the loudspeaker from dust and dripping water from above, according IP21C. The loudspeaker frame, grill and back‑box are manufactured from self‑extinguishing ABS according to
UL 94V0.

The 6W white Bosch LC3-UC06E can be used for a wide variety of ceiling environments. They provide speech and music in indoor public address applications. The CosCone driver technology, used in this range, stands for delivering outstanding sound quality from a small sized unit. It ensures a wide and equal spread of all octave frequencies and eliminates high-frequency beaming.

Fewer Bosch LC3-UC06E loudspeakers are needed to cover a given area, and the noticeable fading that can occur as a listener walks from one loudspeaker to another area is eliminated. It is a light and compact unit with an unobtrusive, neutral designed front grille.

The 6W range comes with the same wide opening angle, ensuring a wide and equal spread of the important frequency octaves for speech intelligibility and music clarity.

Bosch LC3-UC06E Installation/configuration notes

Installation is easy with integral spring arms that securely hold the ceiling loudspeaker in its cut‑out. Ceilings from 5 to 25 mm thick can be accommodated. A template is also provided for accurately marking the cut-out in ceiling panels. The loudspeaker has built‑in protection to ensure 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 Bosch LC3-UC06E loudspeaker has a ceramic screw‑terminal connection block, thermal fuse and heat‑resistant high temperature wiring. Four primary taps for 100 V are provided on the matching transformer to allow selection of nominal full‑power, half‑power, quarter‑power and one‑eight‑power. The optional back‑box (LC3‑CBB) protects the rear of the loudspeaker from dust, falling objects, makes the unit vermin proof and prevents sound traveling via the ceiling cavity to adjacent areas. The back‑box is assembled with the loudspeaker by means of a snap‑in construction and has knock‑out holes (11 mm) for two rubber grommets (standard supplied) and for two cable glands (20.5 mm).

Certifications and Approvals

Bosch LC3-UC06E is 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 the speakers can withstand 2 times their rated power for short durations.

This ensures extra reliability under extreme conditions, leading to greater customer satisfaction, longer operating life, and much less chance of failure or performance deterioration.

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For detailed specs and official info, visit the Bosch LC3-UC06E on Manley website