JBL

8" Coaxial Ceiling Loudspeaker with HF Compression Driver and Transformer

Brand: JBL
Model: CONTROL 328CT
UPC: 050036905183
200 mm (8 in) woofer with Kevlarreinforced cone and 50 mm (2 in) voice-coil
25 mm (1" exit) compression driver
250 Watt power handling with very 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
Consistent 120° broadband pattern control covers an extremely large area
Extraordinary clarity for speech and vocals with extended frequency response for music
Shaped mounting baffle provides the pattern control of a 300 mm (12 in) horn from a 200 mm (8 in) driver
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Specification Sheet Specification Sheet
Specification Sheet (Download)

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Product Properties

  • Bullet points
  • 200 mm (8 in) woofer with Kevlarreinforced cone and 50 mm (2 in) voice-coil
    25 mm (1" exit) compression driver
    250 Watt power handling with very 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
    Consistent 120° broadband pattern control covers an extremely large area
    Extraordinary clarity for speech and vocals with extended frequency response for music
    Shaped mounting baffle provides the pattern control of a 300 mm (12 in) horn from a 200 mm (8 in) driver
  • Product Type
  • Ceiling Speaker

Description:

Control 328CT 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) : 45 Hz – 18 kHz

Long-Term System Power Rating : 250 W (1000 W peak), 2 hrs
150 W (600 W peak), 100 hrs

Taps : 70V: 68W, 34W, 17W, 8.5W
100V: 68W, 34W, 17W

Frequency Response
(±3 dB) : 60Hz – 16 kHz

Coverage Pattern : 120° conical, broadband

Nominal Impedance (321C): : 8 ohms

Directivity Factor (Q): : 7.0 (Avg 1k - 16kHz)

Directivity Index (DI): : 8.5dB (Avg 1k - 16kHz)

Sensitivity (2.83V@ 1m): : 93 dB measured half-space

Maximum SPL6: : 118 dB cont ave (124 dB peak)

Crossover Network: : 1.9 kHz, 3rd order (18 dB/oct) high-pass plus conjugate

Dimensions (H x W x D) : 305 mm (12.0 in.) diameter round baffle x depth from back of baffle of 218 mm (8.6 in)

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