Heavy-duty hi-excursion design die cast basket.
Strong carbon-Kevlar reinforced nonpress paper cone; NT multilayer high density foam surround; 3" high-temp voice coil with long windings.
Triple-stacked 220-oz high-energy magnets; uni-rubber gasket and rubber magnet boot.
Cooling pump motor design; Multi-pieces of new CONEX spiders.
1-pc tech T-yoke with high-extended pole piece.