Also, the fact that the highs increase with volume, would that make m perception of the sound being less detailed, I don't find it harsh, I find the sound blurry. I had the same feeling before I put the rug, even at low volumes. I understand that the rug removes the first reflections, could it be that at higher volumes it is not enough and that what I am experiencing is just the sound bouncing from the floor and the walls at high volume which I don't hear at low volumes?

Bruno
M80s/VP180/QS8s/EP600/AVR-890
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"The problem is choice..."