two options - not sure where you live, but there's a place in rochester, ny called "the speaker place" they do speaker repairs. Or you can look on Ebay - i found 4 used kicker comp vr's (similar to yours) but i don't know what the ohm resistance is on these, but here's the direct link:
http://cgi.ebay.com/KICKER-COMP-VR-1...QQcmdZViewItem


here's the info for the speaker place:
http://www.newfoam.com/Default.asp They're an authorized Kicker Dealer as well. Never had a problem with their service.

enjoy and BASS ON!