(!!!) (Recommended Pair) 6BQ5 Sylvania gray plate NOS (46.6ma and 47.6ma)
(!!!) (Recommended Pair) 6BQ5 Sylvania gray plate NOS (52.6ma and 54.6ma)
(!!!) (Recommended Pair) 6BQ5 Sylvania gray plate NOS 1960's - 1970's (48ma and 49.5ma)
(!!!) (Recommended Pair) 6F6 RCA metal can NOS 1963-1968 (35.6ma and 38.8ma)
(!!!) (Recommended Pair) 6JT6A RCA branded GE NOS 1979 (78ma and 80ma)
(!!!) (Recommended Pair) 6JT6A RCA NOS 1970 era (73.2ma and 74.4ma)
(!!!) (Recommended Pair) 6JT6A RCA rebranded GE and Amperex NOS 1970 era (66ma and 67ma)
(!!!) (Recommended Pair) 6KG6A Westinghouse JAPAN NOS original boxes 1973 (109ma and 110ma)
(!!!) (Recommended Pair) 6KG6A Westinghouse JAPAN NOS original boxes 1973 (140ma and 144.5ma)
(!!!) (Recommended Pair) 6KG6A Westinghouse JAPAN NOS original boxes 1973 (98ma and 99ma)
(!!!) (Recommended Pair) 6L6G MULLARD UK NOS 1959 (67.2ma and 65.4ma)
(!!!) (Recommended Pair) 6L6WGB=5881 Sylvania black base NOS 1980-1987 same build (86ma and 91ma)
(!!!) (Recommended Pair) 6V6 Sylvania metal can NOS 1970 era (39.2ma and 39.3ma)
(!!!) (Recommended Pair) 6V6 Sylvania metal can NOS 1970 era (42.6ma and 42.8ma)
(!!!) (Recommended Pair) 6V6 Sylvania metal can NOS 1970 era (44.8ma and 45.2ma)
(!!!) (Recommended Pair) 6V6GT GE NOS 1963 (43ma and 45.5ma)
(!!!) (Recommended Pair) 6V6GTA Sylvania NOS 1960's (37.5ma and 39.5ma)
(!!!) (Recommended Pair) 6V6GTA Sylvania NOS 1960's - 1970 (45.5ma and 48.5ma)
(!!!) (Recommended Pair) 6V6GTA Sylvania NOS 1970 era same build (40ma and 41ma)
(!!!) (Recommended Pair) 6V6GTY GE brown base NOS 1964-1965 (44ma and 43ma)
