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BOSCH LBC3099/41 ลำโพงติดเพดาน  24W. Ceiling Loudspeaker Max 36W.

Features

• Excellent speech and music reproduction
• High sound pressure level
• Ideal for high-ceiling applications
• Flush mounted in ceilings

Functions
The LBC 3099/41 has a single-piece, 24 W, dual-cone
loudspeaker. A 100 V matching transformer is mounted on
the back of the frame. An attractive metal grille is integrated
with the front, and finished in an unobtrusive white color

The LBC 3099/41 is a flush-mounting ceiling loudspeaker for applications where extra power is required, such as rooms with high ceilings. It delivers a high sound pressure level and has a wide frequency range to ensure excellent speech intelligibility and good quality music reproduction. It is used in applications like shops, department stores, schools, offices, sports halls, hotels and ...

Technical Specifications 
Electrical*

• Maximum power 36 W
• Rated power (PHC) 24 / 12 / 6 W
• Sound pressure level at 24 W /1 W (1 kHz, 1 m) 106 dB / 92 dB (SPL)
• Effective frequency range (-10 dB) 60 Hz to 18 kHz
• Opening angle at 1 kHz/4 kHz (-6 dB) 160° / 60°
• Rated voltage 100 V
• Rated impedance 417 ohm
• Connector 3-pole screw terminal block

* Technical performance data acc. to IEC 60268-5

Mechanical

• Diameter 265 mm (10.4 in)
• Maximum depth 89 mm (3.5 in)
• Mounting cut-out 210 mm (8.3 in)
• Speaker diameter 203.2 mm (8 in)
• Weight 1.8 kg (4 lb)
• Color White (RAL 9010)
• Magnet weight 283 g (10 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%
•