Control 321C

12 in. Coaxial Ceiling Loudspeaker with HF Compression Driver


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.

  • 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.
Frequency Range (-10 dB)34 Hz - 18 kHz
Frequency Response (±3 dB)47 Hz - 16 kHz
Coverage Pattern90° conical, broadband (Avg 1k - 16kHz)
Power Rating200 W (600 W peak), 100 hrs
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)
Directivity Factor (Q)8.7 (1k - 16kHz)
Directivity Index (DI)9.4 dB (1k - 16kHz)
Sensitivity (2.83V@ 1m)94 dB measured half-space99 dB computed for competitive comparison
Crossover Network1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF
Nominal Impedance8 ohms