(!!!) (Best Pair #1) 6146B RCA NOS 1968-1970's (96.5ma and 100ma)
(!!!) (Pair) 6146B RCA NOS 1967-1971 (81ma and 77ma)
(!!) (Best Single) 6146B RCA NOS 1975 (122ma)
6146A GE NOS 1960's (82ma)
6146A GE NOS 1960's broken center guide pin (113ma)
6146A GE NOS 1965 (69ma)
6146A RCA used/good 1971 (80ma)
6146B GE Amperex used/good 1979 (84ma)
CK-6146B Raytheon used/tests like new 1971 (116ma)
QE05/40=6146 Adzam France NOS 1960's (80ma)
