بلندگوی سقفی حرفه ای توکار جی بی ال (JBL) مدل Control 321C
بلندگوی سقفی حرفه ای توکار جی بی ال (JBL) مدل Control 321C
Control 321C
۱۲ in. Coaxial Ceiling Loudspeaker with HF Compression Driver
The Control 321C has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.
FEATURES
- Consistent 90° broadband pattern control.
- Components
• ۳۰۰ mm (12 in) woofer with Kevlar-reinforced cone with 50 mm (2 in) voice-coil.
• ۲۵ mm (1 exit) compression driver. - Extraordinary clarity for speech and vocals with extended frequency response for music.
- ۲۵۰ Watt power handling with high sensitivity provides high SPL capability.
- Advanced high-slope crossover network for constant coverage and smooth, natural midrange.
- Clean, contemporary grille and optional backbox available.
SPECIFICATIONS
| Frequency Range (-10 dB) | ۳۴ Hz – ۱۸ kHz | |
| Power Rating | ۲۰۰ W (600 W peak), 100 hrs | |
| Sensitivity (2.83V@ 1m) | ۹۴ dB measured half-space 99 dB computed for competitive comparison |
|
| Frequency Response (±۳ dB) | ۴۷ Hz – ۱۶ kHz | |
| Coverage Pattern | ۹۰° conical, broadband (Avg 1k – 16kHz) | |
| Directivity Factor (Q) | ۸٫۷ (۱k – 16kHz) | |
| Directivity Index (DI) | ۹٫۴ dB (1k – 16kHz) | |
| Crossover Network | ۱٫۸ kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF |
|
| Nominal Impedance | ۸ ohms | |
| Dimensions (H x W x D) | ۳۶۶ x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle of 223 mm (8.8 in) |
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