(!!!!) (Recommended Pair) 6JB6A RCA NOS 1970 era (62ma and 66ma) (DRAKE)
(!!!) (BEST PAIR) 6JB6A RCA branded GE NOS 1960's (80ma and 86ma)
(!!!) (Recommended Pair) 6JB6 Sylvania NOS (72ma and 72ma)
(!!!) (Recommended PAIR) 6JB6A RCA NOS 1970 era same build (74ma and 80ma) (DRAKE)
(!) (BEST SINGLE) 6JB6 Sylvania branded RCA NOS 1970's (81ma)
(!) (BEST SINGLE) 6JB6A RCA NOS 1970 era (100ma)
6JB6 Sylvania branded RCA NOS 1970's (65ma)
6JB6 Sylvania used/good (73ma)
6JB6A GE NOS (61ma)
6JB6A RCA used/good faded printing (63ma)
