Wow guys, not sure. Both my 350's up front are about 1 o'clock, and my 600 in the back is at 6 o'clock, receiver at 0dB. Now my room is very large so that could play a part in my settings. I've never experienced any strange noises for any movies.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85