Control 328CT
JBL

8" Coaxial Ceiling Loudspeaker with HF Compression Driver

Control 328CT는 8인치 실링 스피커로서 고급 음질의 실현을 목적으로 디자인된 인-실링 스피커 시스템입니다. 연결이 자유로운 커넥터가 부착되어 있어 설치가 쉽고, 선택 가능한 액세서리를 통해 용도에 맞는 시스템을 구성할 수 있습니다.

• 8인치 서브우퍼 드라이버 장착
• 250와트의 높은 전력 처리
• 선택 가능한 액세서리 제공 (옵션)
• 커넥터 부착의 편리성
Frequency Response (-10dB)45 Hz – 18 kHz
Power RatingSee transformer taps
Transformer Taps68W, 34W, 17W, (& 8.5W @ 70V)
Frequency Response (±3 dB)60Hz – 16 kHz
Coverage Angle120° conical, constant directivity
Impedance8 ohms
Directivity Factor (Q)7.0 (Avg 1k - 16kHz)
Directivity Index (DI)8.5dB (Avg 1k - 16kHz)
Sensitivity93 dB (1 kHz - 16 kHz)
Maximum SPL (1m)118 dB (top 70V/100V tap)
Crossover Network1.9 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 ConnectorsScrew locking barrier strip for bare wire
DriversLF Driver: 200 mm (8 in)
HF Driver: compression driver, 25 mm (1 inch) coil
ColorWhite
Safety AgencySuitable 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.
Backcanformed steel (wood-lined; accessory)
Baffle/RimMetal, round, driver pre-mounted to baffle, ported.
Ceiling Cutout Size310 mm (12.2 in) diameter (for MTC-300BB8 backcan)
Included AccessoriesPorted baffle pre-attached, plus transformer on 328CT.
Optional AccessoriesMTC-RG6/8 Grille, round contoured, white. MTC-SG6/8 Grille, square, contoured, white. MTC-300BB8 Backbox, 25 liters (1 cubic feet)
Plenum UsageYes, with accessory backcan
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