Product Description
 |
 |
 |
 |
Key Features
• 8" Kevlar-reinforced Woofer; JBL 2412H-1 Compression driver
• Consistent 120° broadband pattern control covers an extremely large area
• Clean, contemporary grille and optional backbox available
• 68W, 34W, 17W, (& 8.5W @ 70V) Transformer taps
• 250 Watt power handling with very high sensitivity provides high SPL capability
• Extraordinary clarity for speech and vocals with extended frequency response for music
• Advanced high-slope crossover network for constant coverage and smooth, natural midrange
8" Coaxial Ceiling Loudspeaker with HF Compression Driver
Control 328CT has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.
- 200 mm (8 in) woofer with Kevlar reinforced cone and 50 mm (2 in) voice-coil.
- 25 mm (1" exit) compression driver.
- Shaped mounting baffle provides the pattern control of a 300 mm (12 in) horn from a 200 mm (8 in) driver.
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 in) 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) |
| 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) |
| Plenum Usage | Yes, with accessory backcan |
Optional Accessories
- MTC-RG6/8 | Round Grille for Control 200 and Control 300 Series
- MTC-SG6/8 | Square Grille for Control 200 and Control 300 Series
- MTC-TB6/8 | Tile Bridge for Control 200 and Control 300 Series
- MTC-300BB8 | 1 Cubic Ft. Backcan for Control 300 Series 8 in. Drivers
- MTC-300T150 | 150 Watt Transformer
