Bosch 6 watt 6 inch recessed ceiling speaker provides excellent speech and music in indoor public address applications. New "CosCone" driver technology, used in this range, stands for delivering outstanding sound quality from a small sized unit.
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It ensures a wide and equal spread of all octave frequencies and eliminates high‑frequency beaming. Fewer 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.
This ceiling loudspeaker is a light and compact unit with an unobtrusive, neutral designed front grille. The range offers a choice of three loudspeakers distinguished by input power of: 6 W, 12 W and 24 W with the same wide opening angle, ensuring a wide and equal spread of the important frequency octaves for speech intelligibility and music clarity. The LC4 range also includes a back‑box and metal fire‑dome.
|Maximum power||9 W|
|Sound pressure level at 64 W / 1 W (1 kHz, 1 m)||95 dB / 87 dB (SPL)|
|Effective frequency range (-10 dB)||65 Hz to 20 kHz|
|Rated voltage||6.93 / 70 / 100 V|
|Rated impedance||8 / 835 / 1667 Ohm|
|Diameter||200 mm (7.87 in)|
|Maximum depth||70 mm (2.75 in)|
|Ceiling thickness||5 to 50 mm (0.19 to 1.97 in)|
|Mounting cut‑out||162 mm (6.38 in)|
|Color (Grille)||White (RAL 9003)|
|Operating temperature||-25 ºC to +55 ºC (-13 ºF to +131 ºF)|
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