Dunlavy SC IV extra tweeter felt?

My Dunlavys have 4 diamond shaped pieces of felt over the tweeter, unlike the other models. Anyone seen this or know why

lpniles00703-08-2015 9:30pm

rleff Details Discussions Posts This discussion Message User 1,065 posts 03-12-2015 at 06:09pm Copy Comment URL Report Comment Edit Delete Zd542 if that is the case then my scIII's had the felt only surrounding the driver and not actually attached to any part of it.
rleff Details Discussions Posts This discussion Message User 1,065 posts 03-10-2015 at 06:23pm Copy Comment URL Report Comment Edit Delete I had sc III's and the felt was present on my speakers as well.