Hello all the horns are the only things that make a sound from my Kilpcsh F300 towers when I hook up to DN1080 Sony receiver I hooked up some Polk towers to the same input and they work fine also I have a pair of F30 towers that I hooked up but only the horns work on them also please advise bottom line is every speaker works with my Sony DN1080 receiver except for my Klipsch towers please help me out thanks