From: 35Rich, Ames IA I have blown the spider Masonite rings while restoring 2 of my old AR-3a speakers (SN 10651 & 10676) playing moderately loud passages (AR demonstration Record). Makes a loud 'rattling' sound. Teardown reveals delamination of the spider Masonite ring from the speaker basket. I have re-bonded the Masonite ring on #10676 using epoxy. Turned out OK and plays well. Epoxy is tricky to get in place before setting up. Question: I am working on SN 10651. What are other opti