Question about Polk db6501

PPP
PPP Posts: 1
edited July 2008 in Speakers
Does anyone have Polk db6501? What do you think about them? I am thinking about buying a pair. They seem to have good reviews, but some people claim to experience sibilance (midrange/treble peak emphasizes the "sssss" sound). Is this something common to these speakers? Could it be fixed by equalizer settings? Or be a result of a poor installation?