Some systems don't come alive till they are turned up. I find that my other system which has a Class D amp begs to be turned down, in fact it sounds good at all levels. I prefer low to mid volume levels in general.
How loud are you typically listening?
Typically 75 to 80dB. Really loud is 90dB and I'm never over, and I mean never, 95dB. I'm using a professional SPL meter, C weighted, slow response. Just curious.