(!!) (Recommended Single) 6U8A GE Amperex NOS 1974 (13.5ma/10.2ma)
(!) (BEST SINGLE) 6U8A Sylvania NOS 1970 era (20ma/17ma)
(!) (Recommended SINGLE) 6U8A Sylvania NOS 1960's (19.8ma/10.6ma)
5U8 US Brands NOS (50 in stock)
6678=6U8A GE NOS (3 in stock)
6U8A Philips by Sylvania NOS 1987 (20.2ma and 7.5ma)
8445 Tungsol Motorola NOS
FAA-6U8A Sylvania NOS 1968 (13ma and 8.8ma)
JHS-6U8A Sylvania NOS 1966