Soldering is the only way you're gonna get a connection with any chance of surviving. Take it to a CA shop and ask them to solder it for you. Did it come about because of user error? IE. is it burned at the tops of the lead?
i have been useing this sub for about 2 3 months and sounds fine and i took it out to take picz and noticed the separation of the tinsel. i have been playing it while its been like this. coil looks great sounds good and gets loud.