(!!!!) (Good Value Pair) 6JT6A RCA like new and NOS 1960's (58ma and 60ma)

1 pair) 6JT6A RCA NOS 1960's same build

1 tube) 58ma Gm=6450 like new 1967

1 tube) 60ma Gm=7150 NOS 1968-1969 on right

Matched on Amplitrex

Good Ma = 60-80ma

Good Gm = 6500-7000