XBL2 Power 7 Woofer. The SDX7 was designed as a drop in replacement for Adire Extremis 6.8 from 600Hz down (i.e. in 3-way designs or subwoofers) with significantly improved performance.
low mass woven carbon fiber cone with rubber surround
high power, low inductance design based on the patented* XBL2 motor
topology used under license, with dual Neodymium slug magnets
4 layer 1.5" voice coil
solid pole piece, machined copper phase plug and axial gap vents for reduced thermal compression & low aerodynamic noise
high excursion suspension
attractive cast aluminum basket design with narrow spokes & substantial under spider venting
