Background/ Foreground Ceiling Loudspeakers
The Control 924C is a compact in-ceiling speakers, providing full, high quality sound for background music and music-plus-paging systems.
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特点
- Coaxially mounted, high power, 100 mm (4 in) woofer with butyl rubber surround and 19 mm (¾ in) titanium coated diffraction-loaded tweeter
- Wide frequency response and low distortion
- Wide coverage allows fewer speakers, reducing the cost of the installed sound system without sacrificing performance
- JBL’s SonicGuardTM overload protection allows higher operational levels and improved system reliability (924C only)
- Packaged with grille, backcan and tile rails for fast installation and easy dealer stocking
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Brochures
| 大小 | |
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23.0 MB |
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21.0 MB |
版本 A,
更新: 3月 2026
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零件与服务
性能
| 频率范围 | 78 Hz - 20.2 kHz |
| 功率容量 | 84 Watts Continuous Program Power42 Watts Continuous Pink Noise |
| 标称灵敏度 | 86 dB SPL @ 1 m (3.3 ft) |
| 覆盖角度 | 130° conical coverage |
| Directivity Factor (Q) | 2.4 averaged 500 Hz to 4 kHz |
| Directivity Index (DI) | 3.8 averaged 500 Hz to 4 kHz |
| Maximum SPL (1m) | 102 dB @ 1 m (3.3 ft) |
| 标称阻抗 | 16 ohms (Min Z 16.1 Ω @ 320 Hz) |
| 变压器抽头 | 70V: 30W, 15W, 7.5W & 3.7W taps100V: 30W, 15W, & 7.5W taps |
| Low-Frequency | 100 mm (4.0 in) Polypropylene-coated, 1" coil on aluminum former |
| High-Frequency: | 19 mm (0.75 in) Titanium coated polyester |
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