Product Description
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Key Features
• 12" woofer with Kevlar-reinforced cone; JBL 2412H-1 compression driver
• Consistent 90° broadband pattern control; 5.6 ohm Impedance
• Clean, contemporary grille and optional backbox available
• 250 Watt power handling with high sensitivity provides high SPL capability
• Extraordinary clarity for speech and vocals with extended frequency response for music
• Advanced high-slope crossover network for constant coverage and smooth, natural midrange
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.
- 300 mm (12 in) woofer with Kevlar-reinforced cone with 50 mm (2 in) voice-coil
- 25 mm (1 exit) compression driver
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 |
Optional Accessories
- MTC-300BB12 | 3 Cubic Ft. Backbox for Control 300 Series 12 in. Drivers
- MTC-300SG12 | Square Grille for Control 300 Series 12 in. Drivers
- MTC-300T150 | 150 Watt Transformer
