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

The JBL Control 328CT is a passive 8" coaxial ceiling speaker with a multi-tap transformer designed for voice amplification and foreground music reproduction in waiting rooms, offices, retail stores, and restaurants. With a low-saturation transformer for compatibility with a 70V/100V power amplifier (available separately), this 2-way speaker provides a long-term power capacity of 250W (1000W peak). The Control 328CT is equipped with a durable 8" Kevlar-reinforced cone and a titanium-diaphragm compression driver, yielding an extended frequency response of 60 Hz to 16 kHz. Product Specifications: Frequency Range (-10dB): 45 Hz – 18 kHz 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.) 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 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) Included Accessories: Ported baffle pre-attached, plus transformer on 328CT. Plenum Usage: Yes, with accessory backcan