JBL Control 328CT 8-Inch Coaxial Ceiling Loudspeaker, 70V Line

JBL Control 328CT 8-Inch Coaxial Ceiling Loudspeaker Features

- 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.
- Components:
  - 200 mm (8-inch) woofer with Kevlarreinforced cone and 50 mm (2 in) voice-coil.
  - 25 mm (1-inch exit) compression driver.
- 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.Clean, contemporary grille and optional backbox available

JBL Control 328CT 8-Inch Coaxial Ceiling Loudspeaker Specifications

- 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-inch)
  - 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)
- Optional Accessories: MTC-RG6/8 Grille, round contoured, white. MTC-SG6/8 Grille, square, contoured, white. MTC-300BB8 Backbox, 25 liters (1 cubic feet)
- Plenum Usage: Yes, with accessory backcan

Further Product Information Below

JBL Control 328CT Data Sheet (PDF)

JBL 300 Series Manual (PDF)

JBL 300 Series Brochure (PDF)

JBL Control 328CT 8-Inch Coaxial Ceiling Loudspeaker Supplied With

- JBL Control 328C Speaker
- Ported baffle pre-attached
- Line Transformer