ลำโพงฮอร์น ยี่ห้อ BOSCH รุ่น LBC3430/03
Sound projector 12W metalbi-directional
The LBC 3430/03 is a 12 W bidirectional soundprojector intended for speech and music reproduction in indoor and outdoor applications. The two loudspeakers facing in opposite directions are ideally suited to applications such as subway tunnels, long corridors and shopping arcades. The sturdy, aluminum enclosure is finished in the color white. It has provisions for cable loop-through connection and inside mounting of a line- or loudspeaker- supervision board. The sound projector is suitable for use in voice alarm systems.
- Excellent speech and music reproduction
- Ceiling and/or wall mounting
- Robust aluminum extrusion enclosure
- Water and dust protected to IP 55
- EN 54‑24 certified
| Maximum power | 18 W |
| Rated power (PHC) | 12 W |
| Power tapping | 12 / 6 / 3 / 1.5 W(0.75 W, 70 V only) |
| Sound pressure level at 12 W / 1 W (1kHz, 1 m) | 104 dB / 93 dB (SPL) |
| Opening angle at 1 kHz / 4 kHz (-6 dB) | 158 ° / 58 ° |
| Effective frequency range (-10 dB) | 190 Hz to 20 kHz |
| Rated voltage | 70 V / 100 V |
| Rated impedance | 416 / 833 ohm |
| Dimensions (D x L) | 146 x 186 mm (5.7 x 7.3 in) |
| Weight | 3.5 kg (7.72 lb) |
| Color | White (RAL 9010) |
| Material | Aluminum |
| Connection | Screw terminal block |
| Cable diameter | 6-12 mm (0.24‑0.47 in) |
| Operating temperature | -25 ºC to +55 ºC (-13 ºF to +131 ºF) |
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