OK, I am worn down and no longer care how you are having fun.
Two different sources will create different jitter. Maybe it will be not enough for Tom's ears to measure, maybe it will.
If all go through the same DAC, that helps, but it still leaves room for discussion.
I just don't see why you don't take the simple route as it is simple.
Actually I do as I have posted before.
You are comparing a high end CD player to your thingy.
I like that!!!
It will not be the truest test of a CD against a ripped CD, but it will be great fun --
You just read here what you want and disregard posts like Mark put up.
So, I am now, on this post, admitting you are right and the rest of us are wrong.