(!!!!!) (BEST VALUE PAIR) 6L6GC RCA Black Plate used/good 1970-1975 (66.5ma and 67.5ma) (Gm like new)
(!!!!!) (Recommended Pair) 6L6GC RCA Black Plate used/good 1962-1964 (59.5ma and 60.8ma)
(!!!!) (Best Quad) 6L6GT=6n3C Russian NOS 1982 in white boxes (68.5/69/69.5/70.5ma)
(!!!!) (Best Quad) 6L6GT=6n3C Russian NOS 1982 in white boxes (72/72/72/73ma)
(!!!!) (Best Quad) 6L6GT=6n3C Russian NOS 1982 in white boxes (73.5/74/74.5/74.5ma)
(!!!!) (Best RCA Single) 6L6GC Seeburg by RCA black plate tests like new 1965 (69ma)
(!!!!) (BEST RUSSIAN PAIR) 6L6GC=6n3CE Russian NOS 1990 coin/wafer base original boxes (61.5ma and 63ma) (Leben, Fender)
(!!!!) (BEST SINGLE) 7581A GE tan base green printing 1960 era (73.5ma)
(!!!!) (Good Value Single) 6L6GC Seeburg by RCA black plate used/good 1961 (66ma)
(!!!!) (Recommended Pair) 6L6GC RCA and RCA Simplex black plate used/good 1960's (61ma and 59ma) (same Gm)
(!!!!) (Recommended Pair) 6L6GT Russian branded Raytheon NOS 1970's in white boxes (
(!!!!) (Recommended Pair) 6L6GT=6n3C Russian NOS 1982 in white boxes (72.4ma and 73.5ma)
(!!!!) (Recommended Pair) 6L6GT=6n3C Russian NOS 1982 in white boxes (76.2ma and 77ma)
(!!!!) (Recommended Single) 6L6GC RCA black plates branded Westinghouse like new double "D" getters 1960 era (72ma)
(!!!!) (Single) 6L6GC=6n3CE Russian NOS 1990 coin/wafer base (75.6ma)
(!!!!) (SINGLE) 7581A GE tan base NOS 1965 (62ma)
(!!!) (Best Single) 6L6GC RCA Black Plate used/tests like new 1964 (88ma)
(!!!) (Best Value Black Plate single) 6L6GC RCA Conn black plate used/good 1962 (67ma) (Gm like new)
(!!!) (Good Value Single) 6L6GC RCA black plate NOS 1965 broken center guide pin (76.2ma)
(!!) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (73ma)