How about this for a reply. Being snarky on a forum that is low on volume already, is not really good for the community. BUT, I shall respond anyway.
The answer is, I have effing clue. Starting making a popping noise one day. Too much power? Doubt it, took about 700-900 rms. Clipped it? Maybe. Letting my son push on the cone? Maybe. One of my dogs poking at it with their paw? Maybe? I don't care how it happened and neither should you =)
I guess you missed the 12" / 15" thread a few days ago where someone was looking for a BEEF sub.
Thanks for suggesting the DC 8", it is definitely one of the ones I looked at.
Anyone have any inside with the SA x-8?