Bosch LBC 3951/11 LBC395111 用户手册

产品代码
LBC395111
下载
页码 4
LBC 3951/11 Ceiling Loudspeaker | 3
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
* Technical performance data acc. to IEC 60268-5
Mechanical
Diameter
160 mm (6.30 inch)
Maximum depth
95 mm (3.74 inch)
Ceiling thickness
9 to 25 mm (0.35 to 0.98 inch)
Mounting cut-out
145 mm (5.71 inch)
Speaker diameter
101.6 mm (4 in)
Weight
690 g (1.52 lb)
Color
off-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%
Ordering Information
LBC 3951/11 Ceiling Loudspeaker
6 W loudspeaker with a perforated metal
grille.
LBC3951/11
Accessories
LBC 1256/00 EVAC Connection Adapter
3-pole screw connector, 100 pieces
LBC1256/00
www.boschsecurity.com