| A 30-watt "explosion-proof" driver that will not create a spark or detonate in an explosive atmosphere. Integral sintered bronze acoustic screen and heavy die-cast aluminum case meet the UL standards for explosion-proof classification. Meets or exceeds standards for use in hazardous areas classified as Class I - Groups B, C and D. Dual 1-inch screw-on exits, 8-ohm impedance. Driver housing is designed to contain a University Sound 5030 transformer for 20/70.7-volt distributed systems. Transformer purchased separately. |