Bosch LBC3090/01 loa âm trần 6W, chuyên thông báo, nghe nhạc
Maximum power 9 W
Rated power 6 / 3 / 1.5 W
Sound pressure levelat 6 W / 1 W (1 kHz, 1 m) 99 dB / 91 dB (SPL)
Sound pressure levelat 6 W / 1 W (4 kHz, 1 m) 103 dB / 95 dB (SPL)
Effective frequency range (-10 dB) 70 Hz to 18 kHz
Opening angle at 1 kHz/4 kHz (-6 dB) 160° / 55°
Rated voltage 100 V
Rated impedance 1667 ohm
Connector 2-pole screw terminal block
Diameter 210 mm (8.3 in)
Maximum depth 88 mm (3.5 in)
Mounting cut-out 182 + 5 mm (7.2 in)
Speaker diameter 152.4 mm (6 in)
Weight 1.1 kg (2.4 lb)
Color White (RAL 9010)
Magnet weight 150 g (5.3 oz)
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%
Diameter 210 mm (8.3 in)