Description
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 Response (-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
