(!!!) (Recommended Pair) 6JT6A RCA rebranded GE and Amperex NOS 1970 era (66ma and 67ma)
(!!) (Recommended Pair) 6JT6A Sylvania tipped NOS 1960's same build (72ma and 72.2ma)
(!) (Recommended Pair) 6JT6A RCA NOS (75ma and 78.5ma)
6JT6A Sylvania tipped top NOS (59ma)
6JT6A Sylvania tipped top NOS (70ma)