Not sure if it matters in your case but could it be placement issues, is the 150 on a shelf, placed further back then the edge of the shelf. Maybe try moving it around a little.

2xM80 VP180 2xQS8 2xM3 HSU STF3 LG 60PS11 Denon 3808 ATI 1506 LCR 2xATI 1502 Oppo BDP-83