12 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
• 300 mm (12 in) woofer with Kevlar-reinforced cone with 50 mm (2 in) voice-coil.
• 25 mm (1 exit) compression driver. - Extraordinary clarity for speech and vocals with extended frequency response for music.
- 250 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 (-10dB) | 34 Hz – 18 kHz |
| Power Rating | IEC Long-Term System Power Rating: 250 W continuous pink noise (1000 W peak), 2 hrs 200 W continuous pink noise (800 W peak), 100 hrs |
| Sensitivity | 94 dB (1 kHz - 16 kHz) |
| Frequency Response (±3 dB) | 47 Hz – 16 kHz |
| Coverage Angle | 90° conical, constant directivity |
| Directivity Factor (Q) | 8.7 (1k - 16kHz) |
| Directivity Index (DI) | 9.4 dB (1k - 16kHz) |
| Crossover Network | 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF |
| Impedance | 5.6 ohms |
| Dimensions (H x W x D) | 366 x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle of 223 mm (8.8 in) |
| Maximum SPL (1m) | 118 dB (124 dB peak) |
| Input Connectors | Screw locking barrier strip for bare wire |
| Drivers | LF Driver: 300 mm (12 in) HF Driver: compression driver, 25 mm (1 inch) coil |
| Color | White |
| Safety Agency | Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70 when installed with UL listed backcan such as JBL MTC-300BB12. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. |
| Backcan | formed steel (wood-lined; accessory) |
| Baffle/Rim | Metal, driver pre-mounted to baffle, ported. |
| Ceiling Cutout Size | 378 x 378 mm (14.9 x 14.9 in) (for MTC-300BB12 backcan) |
| Optional Accessories | MTC-300SG12 Grille, square contoured, white. MTC-300BB12 Backbox, 80 liters (3 cubic feet) MTC-300T150 Transformer, 150 W for use with 321C. |
| Plenum Usage | Yes, with accessory backcan |
