For me the question was, would there be any difference or not, and I was sure there would be no difference at all. Yeah, it was small, but if we are not mistaken, it was there, and for me that justifies some extra cash and effort. That is, of course, if the results are reliable, and fellow redditors pointed to some caveats In my setting. Guess I will have to do that again? Think I'll go with test sounds only, to only listen to sine sweeps like a true audiophile affectionado