I'm coming home to my system on Sunday...and I've finally picked up a copy of Video Essentials as well as an SPL meter. My general question concerns the sub. I've been reading lately regarding the issue of the reciever or the sub handling the crossover. I've got an Energy e:XL 8 sub and have always used the x-over on the actual sub...should I be doing something on my reciever instead (I have a Sony DB840)? I just wanted to make sure I had all the info I need for calibration when I get home...thx guys.