I know nothing much about Dynaudio speakers, but if they're supposed to be 'good' then Penance is running a mullet. And messing about with cheap amps isn't going to fix it.

I don't know what the answer is, but you have to identify the problem first. And this problem seems to be an absolute classic example.

FWIW anybody's almost always welcome here to listen to my venerable old Linn system. But it won't fix anything...

Paul