| Frequency Range (-10 dB) | 74 Hz – 20 kHz |
| Power Capacity (at low-Z) | 60 Watts Continuous Program Power 30 Watts Continuous Pink Noise |
| Transformer Taps | 25 W, 12.5 W, 6.3 W @ 70V or 100V (plus 3.2 W @ 70V only) |
| Frequency Response (±3 dB) | 100 Hz – 20 kHz |
| Nominal Sensitivity | 87 dB |
| Nominal Coverage Angle | 120° conical coverage |
| Directivity Factor (Q) | 7.6 |
| Directivity Index (DI) | 8.1 dB |
| Rated Maximum SPL | 102 dB @ 1 m (3.3 ft) average, 108 dB peak |
| Nominal Impedance | 8 ohms (in direct/bypass 8? setting) |
| Crossover Network | 12 dB/oct (2nd order) low-pass to LF driver, 12 dB/oct (2nd order) high-pass to HF driver |
| LF Driver | 100 mm (4.0 inch) with polypropylene cone, butyl rubber surround, anodized aluminum voice coil former, high temperature voice coil |
| HF Driver | 19 mm (3/4 in), highly-damped treated-silk dome, Kapton™ voice coil, liquid cooling, wide dispersion waveguide |
| Input Connector | Removable locking 4-pin connector with screw-down terminals. Max wire size 12 AWG (2.5 mm2) |
| Connector Wiring | Pin 1 = + In , Pin 2 = - In , Pin 3 = + Loop Thru , Pin 4 = - Loop Thru |
| Strain Reliefs | Strain relief for two cables or two flex conduits via coupled clamping mechanism |
| Materials | ABS baffle with UL94-V0 and UL94-5VB flame class fire rating. Zinc-plated steel backcan |
| Safety Agency | UL1480, UL2043, NFPA90 & , NFPA70 , S7232/UL Listed, Suitable for use in air handling spaces, Signaling Speaker , Transformer UL registered per UL1876 , ROHS, C-tick N108, CE compliant , Baffle meets UL94-V0 and UL94-5VB flammability rating , In accordance with IEC60849/EN60849 systems |
| Dimensions | 196 mm diameter x 181 mm depth from back of baffle (7.7 in diameter x 7.1 in depth) |
| Ceiling Cutout Size | Circular cutout with 170 mm (6.7 in) diameter (cardboard cutout template included) |
| Ceiling Thickness Range | Up to 35 mm (1.4 in) with stock dog-ears. MTC-TCD thick-ceiling dog-ears available for up to 55 mm (2.2 in) ceiling thicknesses |
| Safety Seismic Attachment | One point, top surface |
| Net Weight | 2.2 kg (4.8 lbs, one speaker) |
| Shipping Weight | 8.2 kg (17.9 lbs, pair in master carton) |
| Included Accessories | C-ring support backing plate, 2 tile support rails (for 2 ft or 600 mm tile spans , optional MTC-48TR extension available for larger 4 ft or 1200 mm tile spans), cutout template, paint shield, removable locking multi-pin connector, grille |
| Optional Accessories | MTC-24NC new construction bracket MTC-24MR mud-ring construction bracket MTC-TCD thick-ceiling dog-ears for ceiling thicknesses up to 55 mm (2.2 in, ordering one set = 24 dog-ears for 8 speakers) MTC-48TR tile rail for 1200 mm (4 ft) tile spans |