(!!!) (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)
(!) (Best Single) 6JT8 GE branded RCA NOS (2.1/26.4ma)
(!) (Best Single) 6JT8 GE NOS (1.1/27.2ma)
(!) (Best Single) 6JT8 GE NOS (1.5/23ma)
(!) (Best Single) 6JT8 GE NOS (2.1/27ma)
(!) (PAIR) 6JT8 GE NOS, 1 tube branded Westinghouse NOS (1.3/27ma and 1.2/27.5ma)
(!) (Recommended Pair) 6JT6A RCA NOS (75ma and 78.5ma)
6JT6A Sylvania tipped top NOS (59ma)
6JT6A Sylvania tipped top NOS (70ma)
6JT8 Sylvania big bottle NOS 1960's (3.1/18ma)
6JT8 Sylvania big bottle NOS 1970 era (2.4/23ma)
6JT8 Sylvania big bottle NOS 1970's (1.6/28ma)
6JT8 Zenith Sylvania big bottle NOS 1960's (2.1/35ma)
6JT8=6KR8 Sylvania NOS (2.2/24ma)
