ลำโพงเพดาน ยี่ห้อ BOSCH รุ่น LBC3951/12
Technical specifications
Electrical*
- Rated power : 6 / 3 / 1.5 / 0.75 W
- Sound pressure level at 6 W / 1 W (1 kHz, 1 m) : 95 dB / 87 dB (SPL)
- Sound pressure level at 6 W / 1 W (4 kHz, 1 m) : 98 dB / 90 dB (SPL)
- Effective frequency range (-10 dB) : 90 Hz to 18 kHz
- Opening angle at 1 kHz/4 kHz (-6 dB) : 180° / 65°
- 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 640 g (1.41 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 and transport temperature : -40 ºC to +70 ºC (-40 ºF to +158 ºF)
- Relative humidity <95%



























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