What kind of amp are you running them off and how much power is being sent to each side?I have the vc660 set and they sound great, but,when I turn up the volume the tweeters sound fades out,but comes (fades) back on when turned down. any help is welcome! thx //content.invisioncic.com/y282845/emoticons/rage.gif.0ad8a6e5565b5fddce406566fdd05149.gif