I read about this and a few other tricks in the VP150 user manual. Yes I read all the manuals and they are useful. I suggest that you spend some time with the articles by Alan on surround and Sub placement ... enlightning.

Congrats on the purchase and I hope that you will be as happy as I am.

------ M80, VP150, QS8 Surr, QS8 Back Surr Sunfire Amp -M80, Denon 3805 -all else, SVS 20-39 PC+