because in win the tc 2000 actualy play almost as loud and play flater.the 18 need well over 20 cu to do what they do best. and i dont have the room 15cu is pushing it so the 15's fit me best . the next house will have the space i need. the only 18 that works in smaller sizes is the tc lms 18 but at 800.00 each no thanks. its not like 2 15 wont do the job
