ลำโพงเพดาน  ยี่ห้อ Bosch รุ่น LBC3090/01

• Suitable for speech and music reproduction
• Increased sensitivity
• Flush-mounting in ceiling cavity
• Easy to install

Technical specifications

Electrical*

• Maximum power:   9 W
• Rated power:   6 / 3 / 1.5 W
• Sound pressure level at 6 W / 1 W (1 kHz, 1 m):  99 dB / 91 dB (SPL)
• Sound pressure level at 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 push-in terminal block

Mechanical

• 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)

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%