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JBL Control 328CT Ceiling Speaker with HF Compression Driver
JBL Control 328CT 8-Inch Ceiling Speaker

JBL Control 328CT 8-Inch Ceiling Speaker

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SoundPro Item: 46668
MSRP: $492.49
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Control 328C and Control 328CT have been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker. The combination of the low frequency cone and the shaped mounting baffle performs as a true 12 inch (300 mm) diameter waveguide for the high frequencies. A unique metal throat transitions seemlessly to the horn to eliminate high frequency beaming which is common among this category of speaker. The result is a coaxial speaker with wide, extremely consistent 120° coverage on a broadband basis.

JBL Control 328CT Features

  • Extraordinary clarity for speech and vocals with extended frequency response for music
  • 250 Watt power handling with very high sensitivity provides high SPL capability
  • Advanced high-slope crossover network for constant coverage and smooth, natural midrange
  • 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
  • Transformer Taps:
    • 70V: 68W, 34W, 17W, 8.5W
    • 100V: 68W, 34W, 17W
  • Components
    • 200 mm (8 in) woofer with Kevlarreinforced cone and 50 mm (2 in) voice-coil
    • 25 mm (1" exit) compression driver
  • Control 328CT Ceiling Speaker with HF Compression Driver1
  • Ported baffle pre-attached1
  • Plus transformer on 328CT1
  • Frequency Range (-10dB) 45 Hz – 18 kHz
  • Power Rating See transformer taps
  • Transformer Taps 68W, 34W, 17W, (& 8.5W @ 70V)
  • Frequency Response (±3 dB) 60Hz – 16 kHz
  • Coverage Angle 120° conical, constant directivity
  • Impedance 8 ohms
  • Directivity Factor (Q) 7.0 (Avg 1k - 16kHz)
  • Directivity Index (DI) 8.5dB (Avg 1k - 16kHz)
  • Sensitivity 93 dB (1 kHz - 16 kHz)
  • Maximum SPL (1m) 118 dB (top 70V/100V tap)
  • 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)
  • Input Connectors Screw locking barrier strip for bare wire
  • Drivers
    • LF Driver: 200 mm (8 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-300BB8. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.
  • Backcan formed steel (wood-lined; accessory)
  • Baffle/Rim Metal, round, driver pre-mounted to baffle, ported.
  • Ceiling Cutout Size 310 mm (12.2 in) diameter (for MTC-300BB8 backcan)

In The Box

JBL Control 328CT Ceiling Speaker with HF Compression Driver

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