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Bosch LC4-UC06E


Wide coverage ceiling speaker. 6″, 6 watts, 100 volt line & 8 ohm.

EN54-24 compliant if optional back box / fire dome is fitted.

The Bosch LC4-UC06E ceiling loudspeaker can be used for a wide variety of indoor public address applications to provide excellent speech and music quality.

Compliant with EN54-24 and BS5839 part 8 when used with the optional LC4CBB or LC4MFD back box / fire dome. (see related products)

There are 3 variants in the range rated at 6w, 12w, and 24w all with the same 200mm diameter grille. The LC4UC06E is rated at 6 watts, 100 volt line and 8Ω.

New CosCone driver technology used in this range, delivers outstanding sound quality from a small sized unit, ensuring 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.

The LC4 range includes a back‑box and metal fire‑dome – the use of either ensures the LC4 range comply with EN54-24 and BS5839 part 8.

SKU: LC4-UC06E Categories: ,
LC4‑UC06E
Description Ceiling loudspeaker
Maximum power 9 W , 18 W,  36W
Rated power 6 W (6/3/1.5/0.75W)
SPL at 6 W power / 1 W (1 kHz, 1 m) 95 dB / 87 dB (SPL)
Opening angle at 1 kHz / 4kHz (-6 dB) 180° / 180°
Effective frequency range(-10 dB) 65 Hz to 20 kHz
Rated voltage 6.93 / 70 / 100 V
Rated impedance 8 / 835 / 1667 Ohm
Electrical connection 4‑way screw terminal block
Acceptable wire gauge 0.5 – 3 mm²
Diameter 200 mm (7.87 in)
Mounting cut‑out 162 mm (6.38 in)
Min./Max. ceiling thickness 5 to 50 mm (0.19 to 1.97 in)
Maximum depth 70 mm (2.75 in)
Material (Loudspeaker unit)  ABS (V 0)
Material (front grille)  Steel mesh with ABS (V 0) rim
Weight  800 g / (1.77 lb)
Colour (front grille)  White (RAL 9003)