خانه صوت و کنفرانس بوشPublic Address and Voice AlarmLoudspeakers Ceiling

LBC3951/11 Ceiling loudspeaker, 6W, 4

Technical Specifications
Electrical* Maximum power 9 W
Rated power 6 / 3 / 1.5 / 0.75 W
Sound pressure level at
6 W / 1 W (1 kHz, 1 m)		 96 dB / 88 dB (SPL)
Sound pressure level at
6 W / 1 W (4 kHz, 1 m)		 99 dB / 91 dB (SPL)
Effective frequency range
(-10 dB)		 60 Hz to 18 kHz
Opening angle at 1 kHz/4 kHz
(-6 dB)		 170° / 80°
Rated voltage 100 V
Rated impedance 1667 ohm
Connector 2-pole push-in terminal block
Mechanical Diameter 160 mm (6.30 in)
Maximum depth 95 mm (3.74 in)
Ceiling thickness 9 to 25 mm (0.35 to 0.98 in)
Mounting cut-out 145 mm (5.71 in)
Speaker diameter 101.6 mm (4 in)
Weight 690 g (1.52 lb)
Color White (RAL 9010)
Magnet weight 101 g (3.57 oz)
Environmental Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%

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