Or is it muddying because the 90W isn't enough headroom and the peaks are clipping just a touch? I know the extra 40W in the 3808 has allowed me to run it louder and cleaner than I thought possible with such a modest increase.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70