CONTROL 321CT

The JBL Control 321CT is a 12” high-output coaxial ceiling loudspeaker with HF compression driver for excellent speech and vocal clarity.

From the Manufacturer:

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
  • 300 mm (12 in) woofer with Kevlar-reinforcedcone 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
• Transformer Taps: 68W, 34W, 17W, (& 8.5W @ 70V)
• 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)
• Sensitivity: 94 dB (1 kHz - 16 kHz)
• Crossover Network: 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF
• 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 240 mm (9.5 in)
• Maximum SPL (1m): 118 dB (top 70V/100V tap)
• 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)
• Included Accessories: Ported baffle pre-attached, transformer on 321CT.
• 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