S-7EX

3-way vented box system

1-3/8 in. (3.5 cm) Beryllium tweeter/5-1/2 in. (14 cm) Magnesium midrange
CST driver
7-1/16 in. (18 cm) Aramid/Carbon composite shell woofer
Large Neodymium magnet
Magnetically shielded-design
Aerodynamic frame and magnetic circuits
Perfect time-alignment design
Precision curve
Round enclosure
Vertical twin method
Phase-control design
Unleaded solder
3-way speaker system