Electrovoice MM2 Submergence Proof Speaker 25 Watt, 16 Ohm, 82 x 82 Dispersion Pattern, Gray
The drivers employ a diaphragm with a phenolic impregnated linen-base and 2.0-inch voice coil, with a W shaped Alnico V magnet structure. The MM2 is equipped with a serrated swivel mounting bracket and the MM2F is made with six holes in its outer flange for flush mounting. The voice-coildiaphragm assembly is protected by a special anti-fungicide treatment and is easily accessible for cleaning by removal of the diecast reflector on the front of the speaker. The MM2 MM2F is self-draining and designed to withstand fungus, dust, salt spray, live steam, and gases. It is built to penetrate high noise levels in boiler rooms, mines, railroads, etc.