Aerial 20T or Avalon Eidolon? SS or Tube?

For the best 2 canal only pure MUSIC, Aerial 20T or Avalon
Eidolon "Diamont" with SS or Tube Amps/Preamp?

If it was me I would go Avalon Eidolon Diamond with tubes. Now I have heard both speakers sound wonderful with tubes and solidstate gear. It really is a personal choice that you have to make.
It is a personal choice.

A friend owns the regular Eidolon's with powerful tube monoblocks and they make wonderful music together.

Have fun.