I alluded to this in the first post on the thread, and it's worthwhile "defining" it a bit more.
Everybody would have a gut understanding as to what I mean, but what actually is it, and how do I measure it, to assess whether I've achieved it? There are the people who live and die by the conventional audio measurement yardsticks, and then there are the others who feel that these animals leave a lot to be desired. Again, look at the activity on the "Sound Quality Vs. Measurements" thread ...
Well, I'm pretty obviously in the latter camp, the standard numbers that an AP setup will pop up will mean very little, and since my project includes speakers the nightmare of getting meaningful distortion figures for the full path of the sound exists. So, I'll use the next best thing, my ears.
To make life easy here, I'll use a pretty accessible test object: the acoustic piano. We have one of those beasts in the listening area, my wife plays,...