I recently picked up a pair of AR90's from Craigslist in fairly rough condition. The price of $100 was right, but one speaker appears to have been dropped with enough force to crack the base of the cabinet. Both will eventually need refresh on the walnut finish, foam surrounds, and capacitors. The one speaker that was dropped has a woofer with a tear in the paper cone. I've attached pictures to solicit ideas on how to best restore it. While I could glue it with some high strength epoxy, I