Control 924C

Background/ Foreground Ceiling Loudspeakers

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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.

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 exclusive 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

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)
标称覆盖角度 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
额定最大 SPL 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

支援/最常见问题