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JBL Control 328CT 8" Coaxial Ceiling Loudspeaker with HF Compression Driver

The Control 328CT is a 8" coaxial ceiling loudspeaker with HF compression driver, from the Control Contractor installed range. Transducers are LF Driver: 200 mm (8 in) HF Driver: compression driver, 25 mm (1 inch) coil. Nominal coverage is 120 degrees conical, constant directivity. Frequency range is 45 Hz - 18 kHz. JBL rates it at See transformer taps. Maximum SPL at 1 m is 118 dB (top 70V/100V tap).

Transformer taps are 68W, 34W, 17W, (& 8.5W @ 70V). Connections are Screw locking barrier strip for bare wire. It measures 305 mm (12.0 in.) diameter round baffle x depth from back of baffle of 218 mm (8.6 in). In the box: Ported baffle pre-attached, plus transformer on 328CT.

Type8" Coaxial Ceiling Loudspeaker with HF Compression Driver
Frequency Range (-10dB)45 Hz - 18 kHz
Power RatingSee transformer taps
Transformer Taps68W, 34W, 17W, (& 8.5W @ 70V)
Frequency Response (+/-3 dB)60Hz - 16 kHz
Coverage Angle120 degrees conical, constant directivity
Impedance8 ohms
Directivity Factor (Q)7.0 (Avg 1k - 16kHz)
Directivity Index (DI)8.5dB (Avg 1k - 16kHz)
JBL Control Contractor Series Commercial Installed Loudspeakers | Quick Look