• 12인치 서브우퍼 드라이버 장착
• 250와트의 높은 전력 처리
• 선택 가능한 액세서리 제공 (옵션)
• 커넥터 부착의 편리성
• 확장 된 주파수 응답을 통한 명료도 보장
• 하이 슬로프 크로스 오버 네트워크 지원
Frequency Response (-10dB) | 34 Hz – 18 kHz |
Power Rating | IEC Long-Term System Power Rating: 250 W continuous pink noise (1000 W peak), 2 hrs 200 W continuous pink noise (800 W peak), 100 hrs |
Transformer Taps | 68W, 34W, 17W, (& 8.5W @ 70V) |
Frequency Response (±3 dB) | 47 Hz – 16 kHz |
Coverage Angle | 90° conical, constant directivity |
Directivity Factor (Q) | 8.7 (1k - 16kHz) |
Directivity Index (DI) | 9.4 dB (1k - 16kHz) |
Sensitivity | 94 dB (1 kHz - 16 kHz) |
Crossover Network | 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF |
Dimensions (H x W x D) | 366 x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle of 240 mm (9.5 in) |
Maximum SPL (1m) | 118 dB (top 70V/100V tap) |
Input Connectors | Screw locking barrier strip for bare wire |
Drivers | LF Driver: 300 mm (12 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-300BB12. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. |
Backcan | formed steel (wood-lined; accessory) |
Baffle/Rim | Metal, driver pre-mounted to baffle, ported. |
Ceiling Cutout Size | 378 x 378 mm (14.9 x 14.9 in) (for MTC-300BB12 backcan) |
Included Accessories | Ported baffle pre-attached, transformer on 321CT. |
Optional Accessories | MTC-300SG12 Grille, square contoured, white. MTC-300BB12 Backbox, 80 liters (3 cubic feet) MTC-300T150 Transformer, 150 W for use with 321C. |
Plenum Usage | Yes, with accessory backcan |