بلندگوی سقفی حرفه ای توکار جی بی ال (JBL) مدل Control 321CT
بلندگوی سقفی حرفه ای توکار جی بی ال (JBL) مدل Control 321CT
Control 321CT
۱۲ in. Coaxial Ceiling Loudspeaker with HF Compression Driver
The Control 321CT 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-reinforcedcone 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 | |
| Taps | ۷۰V: 68W, 34W, 17W, 8.5W 100V: 68W, 34W, 17W |
|
| 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) | |
| Sensitivity (2.83V@ 1m) | ۹۴ dB measured half-space 99 dB computed for competitive comparison |
|
| Crossover Network | ۱٫۸ kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF |
|
| 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 240 mm (9.5 in) |
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