This is a 25.9mm treble voice coil, it can also suitable for 26-core B&W Speaker . It is made of copper-clad aluminum coil, titanium film and other materials with high sensitivity, clear layering and rich details.
 
 
Product name:same side Tweeter voice coil
Inner diameter:25.9mm/  1.02inch  
Applicable resistance: 4-6.5ohm
 
 
Package included:
2pcs