advent woofers

I recently purchased a set of Advent NLA's at an estate sale. The woofers needed refoamed and I will need to replace one fried egg tweeter. My question is, when the replacement foam is attached, does the foam contacting the speaker cone go behind the cone or in front. Examining the cones, it...

Should have titled SEALING WOOFER FRAMES.. Recent threads on Sealing AR and other air suspension speakers bring to mind speakers I have revived. Have not addressed the woofer seals replacement. Just kept original seals. New large Advents , Boston Accoustics A100's air suspension. All of these...