| Frequency Range (-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 |
68 W, 34 W, 17 W (& 8.5 W @ 70V) |
| Frequency Response (±3dB) |
47 Hz – 16 kHz |
| Coverage Angle |
90° conical, constant directivity |
| Directivity Factor (Q) |
8.7 (1 kHz – 16 kHz) |
| Directivity Index (DI) |
9.4 dB (1 kHz – 16 kHz) |
| 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 in) 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 |
| 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 |
