You might want to consider this an upgrade opertunity. Check out this site for replacement options. I'm sure they have the right size and impedance for a replacement. Let us know how it all works out.
http://www.parts-express.com/cat/tweeters/17?utm_source=google&utm_medium=cpc&utm_campaign=T...
Good luck
http://www.parts-express.com/cat/tweeters/17?utm_source=google&utm_medium=cpc&utm_campaign=T...
Good luck