You really need more space all around it and you may want to investigate some kind of fan for cooling the receiver. I myself use a dc computer case fan hooked up with a variable voltage ac adapter though the receivers switched ac outlet. Seems to work pretty well for me.

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