خانه صوت و کنفرانس بوشPublic Address and Voice AlarmLoudspeakers Ceiling

LC4 Ceiling Loudspeaker Range

Technical Specifications
Electrical*   LC4‑UC06E LC4‑UC12E
Description Ceiling loudspeaker
Ceiling loudspeaker 9 W 18 W
Rated power 6 W (6/3/1.5/0.75W) 12 W (12/6/3/1.5W)
Sound pressure level at 6 W
power / 1 W (1 kHz, 1 m)		 95 dB / 87 dB (SPL) 98 dB / 87 dB (SPL)
Sound pressure level at rated
power / 1 W (1 kHz, 4 m)
(reference axis 0 degrees, free field)		 84 dB / 75 dB (SPL) 86 dB / 75 dB (SPL)
Opening angle at 1 kHz / 4kHz
(-6 dB)		 180° / 180° ** 180° / 180° **
Effective frequency range
(-10 dB)		 65 Hz to 20 kHz 65 Hz to 20 kHz
Rated input voltage
LC4‑UC06E		 - 6.93 V 70 V 100 V
Rated impedance
LC4‑UC06E		 6 W 8 Ohm 835 Ohm 1667 Ohm
3 W N/A 1667 Ohm 3333 Ohm
1.5 W N/A 3333 Ohm 6667 Ohm
0.75 W N/A 6667 Ohm 13333 Ohm
Rated input voltage
LC4‑UC12E		 - 9.8 V 70 V 100 V
Rated impedance
LC4‑UC12E		 12 W 8 Ohm 418 Ohm 833 Ohm
6 W N/A 833 Ohm 1667 Ohm
3 W N/A 1667 Ohm 3333 Ohm
1.5 W N/A 3333 Ohm 6667 Ohm
Electrical connection 4‑way screw terminal block
Acceptable wire gauge 0.5 – 3 mm2
Mechanical   LC4‑UC06E LC4‑UC12E LC4‑UC12E
Description Ceiling Loudspeaker
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) 840 g (1.86 lb) 990 g (2.18 lb)
Color (loudspeaker unit) Black (RAL 9011)
Color (front grille) White (RAL 9003)
Environmental Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage and transport
temperature		 -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%

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