CAT Ultimate/Tube rolling

Anyone had good luck switching tubes in the CAT and found the "ultimate" combination? Telefunken? Mullard?

gladstone04-04-2001 3:01pm

c123666 Details Discussions Posts This discussion Message User 871 posts 10-08-2005 at 04:50am Copy Comment URL Report Comment Edit Delete NOS means NEW old stock; ie, NOT used...if they are used then they are not NOS.they are simply used right?