MYDEMISE
Well-known member
I like to mix tubes. My favorites are:
E34L outside / SED EL34 inside
KT77 outside and E34L inside
EH 6CA7 outside and SED EL34 inside
E34L outside / SED EL34 inside
KT77 outside and E34L inside
EH 6CA7 outside and SED EL34 inside