Bosch Ceiling Speaker LBC 3086/41

Bosch Ceiling Speaker LBC 3086/41 AUDIO SYSTEMS
BOSCH LBC 3086/41 ลำโพง Ceiling Loudspeaker 
  • Suitable for speech and music reproduction
  • Flush-mounting in ceiling cavity
  • Easy to install
  • Simple power setting
  • Optional certified fire dome
  • Unobtrusive in virtually all interiors
  • Complies with international installation and safety regulations
  • EN 54‑24 certified
  • BS‑5839‑8 and EN 60849 compliant
Specification
Maximum power 9 W
Rated power 6 / 3 / 1.5 / 0.75 W
Sound pressure levelat 6 W / 1 W (1 kHz, 1 m) 98 dB / 90 dB (SPL)
Effective frequency range (-10 dB) 90 Hz to 20 kHz
Opening angle at 1 kHz/4 kHz (-6 dB) 180° / 50°
Rated voltage 100 V
Rated impedance 1667 ohm
Connector 3-pole screw terminal block
Diameter 216 mm (8.5 in)
Maximum depth 90 mm (3.54 in)
Ceiling thickness 9 to 25 mm (0.35 to 0.98 in)
Mounting cut-out 196 mm (7.7 in)
Weight 1.3 kg (2.86 lb)
Color off-white (RAL 9010)
Magnet weight 150 g (5.3 oz)