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.
$410.00
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.
The cone and pre-attached baffle serve as a high-frequency waveguide, which results in reliable 120° broadband coverage while the built-in crossover network ensures proper frequency distribution to the speaker components. A removable locking connector with screw-down terminals ensures easy wiring at the desired power tap setting.
Coaxial ceiling speaker with pre-attached ported baffle
Low-saturation 68W multi-tap transformer enables use with 70V/100V constant-voltage systems
Long-term power handling of 250W (1000W peak)
Durable 8″ Kevlar-reinforced cone with 2″ voice coil
Low-frequency cone and shaped mounting baffle perform as a true 12″ diameter waveguide for the high frequencies
Metal throat transitions smoothly to the horn to eliminate high-frequency beaming
High-temperature voice coil
High-frequency driver features a pure titanium diaphragm for high sensitivity and long life, a diamond surround for resonance control, and FerroFluid for increased power handling
Consistent 120° coverage on a broadband basis
Built-in crossover network with 18 dB/octave high-pass filter and 12 dB/octave low-pass filter
Removable multi-pin locking connector with secure screw-down terminals allows pre-wiring of inputs for easy clip-on convenience during installation
Compatible with MTC-RG6/8 and MTC-SG6/8 grilles, and MTC-300BB8 backbox (all available separately)
JBL Control 328CT Specs
Active or Passive Passive
LF Driver 8″ / 20 cm Woofer with Kevlar-Reinforced Cone and 2″ / 5 cm Voice Coil
HF Driver JBL 2412H-1 Compression Driver with 1″ / 2.5 cm Voice Coil
Frequency Range 45 Hz to 18 kHz (-10 dB)
Frequency Response 60 Hz to 16 kHz (±3 dB)
Coverage Pattern 120° Conical, Broadband
Directivity Factor 7 (1 to 16 kHz)
Directivity Index 8.5 dB (1 to 16 kHz)
Power Capacity For 2 Hours: 250 W (1000 W Peak)
For 100 Hours: 150 W (600 W Peak)
Sensitivity Measured Half-Space: 93 dB (2.83 V at 1 m)
Computed for Competitive Comparison: 98 dB (2.83 V at 1 m)
Maximum SPL 118 dB Continuous Average (124 dB Peak)
Impedance Not applicable
Transformer Taps Watts at 70 V: 8.5, 17, 34, 68
Watts at 100 V: 17, 34, 68
Crossover Frequency: 1.9 kHz
Low-Pass Filter: 2nd Order (12 dB/Octave)
High-Pass Filter: 3rd Order (18 dB/Octave)
Input Removable Locking Connector with Screw-Down Terminals
Maximum Wire Size 12 AWG
Shielded No
Baffle Material: Metal
Diameter: 12″ / 30.5 cm
Dimensions (Diam. x Depth) 12.0 x 8.6″ / 30.5 x 21.8 cm from Back of Baffle
Weight 12 lb / 5.4 kg
Safety Rating UL 1480, UL 2043, NFPA 90, and NFPA 70 when Installed with a UL-Listed Backcan
S7232/UL, UL 1876, IEC 60849 / EN 60849
Packaging Info
Package Weight 16.85 lb
Box Dimensions (LxWxH) 15.5 x 15 x 12.75″
Weight | 16.85 lbs |
---|---|
Dimensions | 15 × 12.75 × 15.5 in |
Part no | CONTROL 328CT |
Weight(lbs) | 16.85 |
UPC | 50036905183 |
$410.00
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