Jim McShane is my source . He tests and tests and is very picky. He will not sell you tubes without knowing what amp they are going into.
@ Broussard that must be some private collection ! I consider mine large but don't have inventory like that. Well not as organized anyway.Yes Gl tubes can transform an amp I know, also the GL -KT-88s made a huge difference. Good Luck
@ Broussard that must be some private collection ! I consider mine large but don't have inventory like that. Well not as organized anyway.Yes Gl tubes can transform an amp I know, also the GL -KT-88s made a huge difference. Good Luck