It's funny that you bring that up as it was something I was talking to the dealer about. Because in thier store they actually had the studio series only powered by an Integra 9.9 which is a little more beefy than the 3808 which is more on par with the 8.9. The gentleman said technically they are supposed to use the anthem seperate gear....but as you pointed out there is no noticable difference in the sound. In any event, unless someone had a very large room with very loud listening habits...a higher end AVR is plenty to power these speakers...