(!!!!) (Best Overall Pair) 6146B Sylvania and Sylvania Amperex NOS 1970's same build (111ma and 116.5ma) (close Gm)
(!!) (Pair) 6146W GE JAN NOS 1987 (82ma and 84ma)
(!!) 6146B Sylvania branded RTC NOS 1960's (94ma)
(!!) 6146W Sylvania NOS 1970's (105ma)