Pioneer S-7EX Review

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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...
Summary
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
