I spent $62.00 for 2 cooling fans 120mm which are extremely quite. Put these 2 fans on top of my Onkyo 876 and no more worry abt heat issue. BTW, I use the Sanus audio rack and I have only abt 1.5" clearance on top of the Onkyo.
Look up "the coolerguys.com" for different type of cooling fans that fit youe need.
Look up "the coolerguys.com" for different type of cooling fans that fit youe need.