JBL Control 328CT 8" Coaxial Ceiling Loudspeaker with HF Compression Driver
Control 328CT
8" Coaxial Ceiling Loudspeaker with HF Compression Driver
SKU
102971
MPN:
Control 328CT
- 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.
- 200 mm (8 in) woofer with Kevlar reinforced cone and 50 mm (2 in) voice-coil.
Overview
Control 328CT has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.
Features
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.
- 200 mm (8 in) woofer with Kevlar reinforced cone and 50 mm (2 in) voice-coil.
- 25 mm (1" 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.
Specifications
| Frequency Range (-10dB) | 45 Hz – 18 kHz |
| Frequency Response (±3 dB) | 60Hz – 16 kHz |
| Power Ratings | See transformer taps |
| Impedance | 8 ohms |
| Transformer Taps | 68W, 34W, 17W, (& 8.5W @ 70V) |
| Sensitivity | 93 dB (1 kHz - 16 kHz) |
| Coverage Angle | 120° conical, constant directivity |
| Directivity Factor (Q) | 7.0 (Avg 1k - 16kHz) |
| Directivity Index (DI) | 8.5dB (Avg 1k - 16kHz) |
| Crossover Network | 1.9 kHz, 3rd order (18 dB/oct) high-pass plus conjugate |
| Drivers | LF Driver: 200 mm (8 in) HF Driver: compression driver, 25 mm (1 inch) coil |
| Input Connectors | Screw locking barrier strip for bare wire |
| 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) |
| Plenum Usage | Yes, with accessory backcan |
| Included Accessories | Ported baffle pre-attached, plus transformer on 328CT. |
| Optional Accessories | MTC-RG6/8 Grille, round contoured, white. MTC-SG6/8 Grille, square, contoured, white. MTC-300BB8 Backbox, 25 liters (1 cubic feet) |