Quote Originally Posted by audiomadness
Again, it depends on the bookshelf speakers. If you get good quality bookshelves with a decent frequency response, I don't think you would need a sub at all, unless you listen to really bass heavy music. Personally, I prefer Bookshelves because I can tailor the height of speaker drivers to the height of my ears through solid stands and run 'em full range. It all really depends on you preferences.
Even floorstanders are set to small in the receiver setup and there not many floorstanders that dont need a sub so there's even less bookshelfs that dont need a sub. Speakers for clean highs and midrange and some bass and a sub to free up the speakers to do that. You want tweeters at ear level and my floorstanders are on small stands to do that. It does depend on your perference but why not get the most out of your speakers?