(!!) (Recommended Single) 6U8A GE NOS 1977 (14.2ma/10ma)
(!!) 6U8=ECF82 Tungsram Hungary rebranded Haltron NOS 1970's (14.3ma and 7.6ma)
(!) ECF82=6U8 Telefunken <> bottom used/good 1967 (13.4ma triode and 6ma pentode)
(Best Value) 6U8A Rogers Canada NOS 1974 (14.8ma triode and 8ma pentode)
(!!) (Recommended Single) 6U8A GE Amperex NOS 1974 (13.5ma/10.2ma)
(!!!!) (3rd Best Pair) 6U8A GE NOS 1974-1977 (15.0/10ma and 16.5/10.4ma)
6678=6U8A GE NOS (3 in stock)
6U8A used/good
6U8A=6678 Dumont NOS 1971 (19.7/7ma)
(!!!!) (2nd Best Pair) 6U8A GE NOS 1963-1966 (15/9.6ma and 14/9.0ma)
7687 Sylvania NOS 1962 (sold out)
(!) (BEST SINGLE) 6U8A Sylvania NOS 1970 era (20ma/17ma)
(!!) ECF82=6U8 Telefunken Germany <> bottom NOS 1968-1969 faded printing (14ma triode and 8.6ma pentode)
(!!!!) (Best Pair) 6U8A GE NOS 1973-1976 (13.5/11ma and 13.5/11.4ma)
(!!) 6U8A Westinghouse NOS 1967 (24ma and 7.5ma)
(!!) 6U8A Westinghouse NOS 1967 (17.8ma and 9.5ma)
6U8A Philips by Sylvania NOS 1987 (20.2ma and 7.5ma)
FAA-6U8A Sylvania NOS 1968 (13ma and 8.8ma)
(!!!) (Best Single) 6U8A GE Motorola NOS 1977 (15.2ma/9ma)
JHS-6U8A Sylvania NOS 1966
