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.
Control 328CT has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.
Size | ||||
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2.9 MB | |||
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719.5 KB | |||
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538.5 KB | |||
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59.2 KB | |||
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15.4 KB | |||
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2.0 MB | |||
Specifications | ||||
updated: 4月 2019
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719.5 KB | |||
Manuals | ||||
updated: 10月 2019
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59.2 KB | |||
updated: 10月 2019
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15.4 KB | |||
updated: 10月 2019
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126.9 KB | |||
Brochures | ||||
updated: 4月 2019
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2.9 MB | |||
CAD Drawings | ||||
updated: 10月 2019
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1.4 MB | |||
Compliances | ||||
updated: 12月 2019
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179.3 KB | |||
updated: 10月 2019
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92.7 KB | |||
Software | ||||
version 3.6.2,
updated: 9月 2021
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804.8 KB | |||
User Guides | ||||
updated: 4月 2019
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2.0 MB | |||
Install Guides | ||||
updated: 4月 2019
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538.5 KB | |||
Speaker Tunings | ||||
version A,
updated: 5月 2023
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557.0 KB |
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频率范围 (-10dB) | 45 Hz – 18 kHz |
额定功率 | See transformer taps |
变压器抽头 | 68W, 34W, 17W, (& 8.5W @ 70V) |
Frequency Response (±3 dB) | 60Hz – 16 kHz |
覆盖角度 | 120° conical, constant directivity |
阻抗 | 8 ohms |
Directivity Factor (Q) | 7.0 (Avg 1k - 16kHz) |
Directivity Index (DI) | 8.5dB (Avg 1k - 16kHz) |
灵敏度 |
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 |
尺寸(高 x 宽 x 厚) | 305 mm (12.0 in.) diameter round baffle x depth from back of baffle of 218 mm (8.6 in) |
输入接口 | Screw locking barrier strip for bare wire |
Drivers | LF Driver: 200 mm (8 in) HF Driver: compression driver, 25 mm (1 inch) coil |
颜色 | 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) |
随附配件 |
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 |
Professional Series
For use on either 70V or 100V distributed loudspeaker lines.