AT-15 woofer CV Repair/replace.

I need to fix/replace 15" woofer on a Cerwin Vega AT-15. I do not know if it is 4 ohm or 8 ohm. I measured the "good one, and it indicates about 7 ohm.



Should I us a 8 or 4 ohm repair kit? I think "8", but I rather get others opinion, Thanks