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

rlwainwright Details Discussions Posts This discussion Message User 1,904 posts 03-09-2015 at 12:45pm Copy Comment URL Report Comment Edit Delete I found this from a Stereophile review: "with heavy felt around the tweeter" Apparently the felt is factory original and part of the design. Leave it in place and enjoy those wonderful speakers... -RW-