Thanks for broaching the topic Mr. Rice. The can of worms has been opened.
Here's a good summation of crossover networks, with a fairly technical breakdown of various approaches.
http://www.rane.com/note147.html
Another good discussion on why one wants to set their speaker to 'small', even if the thing is 'large'.
http://www.audioholics.com/tweaks/ge...s%20to%20small