Best 12at7a, 12au7a?

NOS or Ei? Thanks. I would like to hear what are you using and where is best place for purchase? Thanks

ssing240be12-17-2000 1:37am

eldragon Details Discussions Posts This discussion Message User 707 posts 12-18-2000 at 01:43pm Copy Comment URL Report Comment Edit Delete I hear RCA cl 12AU7A, to be best USA "valve", and word Telefunken diamond bottom, goes around as THE best 12AT7, for around $450 a piece!