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| 经销商 | 联系方式 | 价格 |
|---|---|---|
| 博世BOSCH | 400-8310-669、021-2218 1111 | 面议 |
| LC4‑UC24E | |
| Description | Ceiling loudspeaker |
| Rated power | 24W (24/12/6/3W) |
| Sound pressure levelat 6 W power / 1 W (1 kHz, 1 m) | 101dB/87dB(SPL) |
| Sound pressure level at rated power / 1W (1kHz, 4m) (reference axis 0 degrees, free field) | 88dB/75dB (SPL) |
| Opening angleat 1 kHz / 4kHz (-6dB) | 180° / 180° ** |
| Effective frequency range(-10 dB) | 65Hz to 20kHz |
| Rated input voltage LC4‑UC24E | 13.9V , 70V , 100V |
| Rated impedance LC4‑UC24E | 24W , 8 Ohm , 208 Ohm , 416 Ohm |
| 12W | N/A , 416 Ohm , 833 Ohm |
| 6W | N/A , 833 Ohm , 1667 Ohm |
| 3W | N/A , 1667 Ohm , 3333 Ohm |
| Electrical connection | 4-way screw terminal block |
| Acceptable wire gauge | 0.5 - 3mm2 |
| LC4‑UC06E | LC4‑UC12E , LC4‑UC24E |
| Description | Ceiling Loudspeaker |
| Diameter | 200mm (7.87in) |
| Mounting cut‑out | 162mm (6.38in) |
| Min./Max. ceiling thickness | 5 to 50mm (0.19 to 1.97in) |
| Maximum depth | 70mm (2.75in) |
| Material(Loudspeaker unit) | ABS (V0) |
| Material (front grille) | Steel mesh with ABS (V0) rim |
| Weight | 800g (1.77lb) , 840g (1.86lb) , 990g (2.18lb) |
| Color(loudspeaker unit) | Black (RAL9011) |
| Color (front grille) | White (RAL9003) |
| LC4‑CBB | LC4‑MFD |
| Description | Back‑Box , Metal Fire‑dome |
| Diameter | 160mm (6.29in) , 197 / 175mm (7.75 / 6.88in) |
| Maximum depth | 78mm (3.07in) , 156mm (6.14in) |
| Mounting cut‑out | n.a. , 178mm (7.00in) |
| Min./Max. ceiling thickness | n.a. , 5 to 50 mm (0.19 to 1.97in) |
| Material | ABS (V0) , Steel |
| Weight | 160g (0.35lb) , 998g (2.20lb) |
| Color | Black (RAL9011) , Flame red (RAL3000) |
| Operating temperature | -25ºC to +55ºC (-13ºF to +131ºF) |
| Storage and operating temperature | -40ºC to +70ºC (-40ºF to +158ºF) |
| Relative humidity | <95% |
