Scan Speak - 18W/4545‐00 - Midwoofer 4 Ohm Classic

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.

Datasheet