| Drivers |
200 mm (8 in) Full-Range, Dual-cone |
| Frequency Range (-10dB) |
95 Hz – 18 kHz |
| Coverage Angle |
90° conical |
| Sensitivity |
97 dB (2k - 8k Hz) |
| Driver Power Capacity |
40W (160W peak), 2 hrs25W (100W peak), 100 hrs |
| Transformer Taps |
6W, 3W, 1.5W, (0.75W at 70V only) |
| Input Connectors |
Bare Wire |
| Magnet |
10 ounces (283 g) |
| Safety Agency |
Transformer is UL registered per UL1876 |
| Installation |
Full assembly consists of 8138 speaker plus MTC-81BB8 backbox andMTC-81TB8 tile bridge. Four screw holes at industry standard 286 mm (11.25 in) mounting circle. |
| Dimensions (Diameter x Depth) |
327 mm (12.9") diameter baffle x 84 mm (3.3") depth from back of baffle. Overall depth, 99 mm (3.9") |
| Mounting points |
4 points on 286 mm (11.25 in) diameter mounting circle |
| Ceiling Cutout Size |
300 mm (11.75") with tile bridge and backbox.228 mm (9.0") diameter as stand alone. |
| Net Weight |
1.4 kg (3.0 lb) |
| Included Accessories |
Integral grille, 4 pcs M4 x 40 mm tapping screws |
| Optional Accessories |
MTC-81BB8 backcan, MTC-81TB8 tile bridge |
| Power Rating |
See transformer taps |
| Maximum SPL (1m) |
105 dB (top 70V/100V tap) |
| Color |
White |
| Backcan |
formed steel (accessory) |
| Baffle/Rim |
Plastic |
| Plenum Usage |
Yes, with accessory backcan |
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