[QUOTE="Dissily Mordentroge, post: 773407, member: 38737"]Jumping in years after this tread died a natural death I can't help expessing my doubts any valid judgement of a specific organs tonality, acoustic influences, action, macro and micro-dynamics etc can possibly be judged from Youtube Mp3 files played back over systems/earphones or whatever of unknown quality.[/QUOTE] You raise an interesting issue. Unfortunately, it is not something that I'm knowledgeable about. Hopefully, someone else will address your point.