If anyone is interested, there is a stereo speaker repair center in Charlotte NC (http://SpeakerDoctor.com) that will rebuild the original JBL sub-woofer in the SHO at a pretty resonable price as compaired to having to replace everything with different parts. I removed the speaker from the sub case & delivered it to the store & they charged me $15 parts & $15 labor. In my case they did a "Refoam" of the speaker & tested. It was affordable & easy for me.
