BAT's 6H30 "Super Tube"

Is this tube interchangable with any 6922 tube? Anyone used it outside of BAT gear?

mdomnick10-18-2002 6:31pm

brianmgrarcom Details Discussions Posts This discussion Message User 1,317 posts 12-31-2002 at 02:02pm Copy Comment URL Report Comment Edit Delete What about the 6H23 in place of the 6922? And what differences would one expect?