ลำโพงเพดาน BOSCH LBC3090/31 ขนาด 6 นิ้ว 9 วัตต์ สำหรับการใช้งานทั่วไปเป็นลำโพงฟูลเรนจ์สำหรับเสียงพูดและเพลง จากแบรนด์ BOSCH
BOSCH LBC3090/31
Ceiling loudspeaker 6W metal with clamps
คุณสมบัติ
- 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
สเปค
Key Specifications
| 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 screw 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) |
| Magnet weight | 150 g (5.3 oz) |
| 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% |
| Diameter | 147 mm (5.8 in) |
รีวิว
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