JBL

8" Coaxial Ceiling Loudspeaker with HF Compression Driver and Transformer

Brand: JBL
Model: CONTROL 328CT
UPC: 050036905183

Extraordinary clarity for speech and vocals with extended frequency response for music

Consistent 120° broadband pattern control covers an extremely large area

Shaped mounting baffle provides the pattern control of a 300 mm (12 in) horn from a 200 mm (8 in) driver

200 mm (8 in) woofer with Kevlarreinforced cone and 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

25 mm (1" exit) compression driver

250 Watt power handling with very high sensitivity provides high SPL capability

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Specification Sheet Specification Sheet

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Product Properties

  • 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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