Scan Speak - 21W/8555-10 - Woofer 8" 8 Ohm Classic

Datasheet

The Symmetric Drive (SD-1) concept with copper in the magnet system was invented 
by Scan-Speak. High-quality magnet system design has thus been a key feature of 
Scan-Speak design since the companys inception. The Classic woofers are highly 
praised, and are used in some of the worlds most exceptional high-end Loudspeakers. 
Some feature Kevlar cones, others have the innovative Carbon fibre paper cones.