JBL

12" Coaxial Ceiling Loudspeaker with HF Compression Driver

Brand: JBL
Model: CONTROL 321C
Products Variants:
25 mm (1" exit) compression driver
250 Watt power handling with high sensitivity provides high SPL capability
300 mm (12 in) woofer with Kevlar-reinforced cone with 50 mm (2 in) voice-coil
Advanced high-slope crossover network for constant coverage and smooth, natural midrange
Clean, contemporary grille and optional backbox available
Consistent 90° broadband pattern control
Extraordinary clarity for speech and vocals with extended frequency response for music
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Specification Sheet Specification Sheet
Specification Sheet (Download)

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Product Properties

  • Bullet points
  • 25 mm (1" exit) compression driver
    250 Watt power handling with high sensitivity provides high SPL capability
    300 mm (12 in) woofer with Kevlar-reinforced cone with 50 mm (2 in) voice-coil
    Advanced high-slope crossover network for constant coverage and smooth, natural midrange
    Clean, contemporary grille and optional backbox available
    Consistent 90° broadband pattern control
    Extraordinary clarity for speech and vocals with extended frequency response for music
  • Product Type
  • Ceiling Speaker

Description:

The Control 321C has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.

Frequency Range
(-10 dB) : 34 Hz – 18 kHz

Power Rating : 200 W (600 W peak), 100 hrs

Sensitivity (2.83V@ 1m) : 94 dB measured half-space
99 dB computed for competitive comparison

Frequency Response
(±3 dB) : 47 Hz – 16 kHz

Coverage Pattern : 90° conical, broadband
(Avg 1k - 16kHz)

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

Nominal Impedance : 8 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)

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