1st, I know lots of guy's preference is to turn tweeters down, off, disconnect them, or don't have them in the first place. All very valid points of view. But if it happens to be your point of view, then please kindly move along because there's nothing to see . O.K., past that part . Looking at 3 super tweeters for a 2-way cabinet. Each has different dispersion. How important is it? Also, which would you go with? Selenium ST350. 50 degrees. Conical. http://www.countryact.com/Shop_folder/selenium/selenium.pdf/ST350.pdf Eminence APT-150. 100 degrees (horizontal) x 50 degrees (vertical). Eminence supertweeters - Eminence APT150 supertweeter - Eminence APT150 supertweeter for all high frequency speaker applications. Eminence APT-200. 90 degrees. Square. Eminence supertweeters - Eminence APT200 supertweeter - Eminence APT200 supertweeter for all high frequency speaker applications.