Login Help 08/01/16IMPORTANT: Member accounts now use your display name (the handle that is displayed next to your posts, which may have been different from your username on the old forums) for logging in. If you have forgotten your display name or password, you can click the "forgot password" link and have your display name emailed to you with an option to also reset your password.
the foam i used on the RF/RC-7's. took the stock foam in (mine had different amounts so i thought it would be better to make them both equal). this stuff is .5" and takes all vibrations out. it made my speakers act like they are 2" thick. same concept you want in subs.