Hey Greg - where my logic takes me (I'm not saying my logic is a good thing - as you know - the wasted mind is a terrible thing to get) is that a buffer, and to some extent a pre-amp can be seen as a 'correction' for things that may not be up to sound standards for said downstream equipment. It MAY be better to correct said problems before they need to be corrected. This is a good reason for going tubes from the get go. Its also a good reason to clean and optimize the digital from the get go.
I have come to this 'realization' through harmless play in the digital realm. I dont mean to stomp on the turn table aficionados, but, you are a bit limited when you are in the analog realm.... Lets see, ok, where was I going with this? Oh, yea, go upstream sailor!
god speed! peace, love, dope, tubes etc. - Eric
Eric
Emotiva XPA-2, Magnepan MMG (mod), Quickie (mod), JRiver, Wyrd4sound uLink, Schiit Gungnir, JPS Digital power cord, MIT power cord, JPS Labs ultraconductor wire throughout, HSU sub. powered by Crown.