winders
Headphoneus Supremus
Blah, blah, blah....
Just as an example, did Jason use an Aikido buffer circuit in his design for Freya? The Don Sachs Model 2 Preamp does. I am not saying the Aikido buffer is any better or worse, but it certainly is different. All preamps are not the same and changing a few caps and transistors is not going to make Freya sound like a Don Sachs Model 2. Freya can be a passive preamp or an active solid state preamp. The Don Sachs is dual mono and has a lot of point to point wiring using Deuland wire. Freya is all circuit boards. The designs of these two preamp are significantly different.
DACs and amps have the same kinds of differences. You are making assumptions that just done work in the real world.
Have fun in your world.....