(!!!!) (Recommended Pair) 6LQ6=6JE6C Sylvania NOS 1970 era (76ma and 77ma)
(!!) 6JE6C=6LQ6 GE NOS 1970 era (72ma)
(!!) 6LQ6=6JE6C GE NOS 1970 (57ma) (strong Gm)
6JE6 Sylvania used/like new 1960's (103ma)
6JE6A RCA NOS 1960's (94mA)
6JE6C=6LQ6 Sylvania NOS 1970's (74ma)
6JE6C=6LQ6 Sylvania NOS 1970's (94ma)