BOSCH LBC 3090/31

รหัสสินค้า : LBC 3090/31

BOSCH LBC 3090/31 ลำโพง Ceiling Loudspeaker ลำโพงเพดาน ดอกลำโพง 6 นิ้ว 9/6 วัตต์  

• Suitable for speech and music reproduction
• Increased sensitivity
• Flush-mounting in ceiling cavity
• Easy to install
• Simple power setting
• Protective dust cover
• Optional certified fire dome
• Unobtrusive in virtually all interiors
• Ball-proof
• Complies with international installation and safety regulations

• Maximum power 9 W
• Rated power 6 / 3 / 1.5 W
• Sound pressure levelat 6 W / 1 W (1 kHz, 1 m) 99 dB / 91 dB (SPL)
• Sound pressure levelat 6 W / 1 W (4 kHz, 1 m) 104 dB / 96 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
• Diameter 199 mm (7.8 in)
• Maximum depth 89 mm (3.5 in)
• Mounting cut-out 172 mm (6.5 in)
• Speaker diameter 152.4 mm (6 in)
• Weight 990 g (2.2 lb)
• Color White (RAL 9010)