Bol972's comments may be a tad hard to digest at times but I concur.
The Rotel wont do justice to the "somewhat beryllium" tweeters. Don't get me wrong, the Ushers sound very good even with a scandalous less than pure Be tweeter.
Woofers are hard to deal with. Like the Alto Utopia.
Can sound nasal with flabby bassif not driven right.