The key features of D2010/8513 tweeter are: front flange with diffraction damping foam, dual rear chamber and ferrite magnet system.
Scan-Speak D2010/851100 - information in PDF format (438 Kb)
Review in Hobby HiFi #3-2001 Magazine (in German, 781 kБ)
Diffraction damping pad for D2010 Classic tweeters.
Air-core OFC foil coil.
Audiophile metallized polypropylene capacitor.
Woofer with 3" aluminium voice coil and damped polymer composite cone.
Air-core coil.
10" sub-bass driver.