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(!!!!) (Best Pair #3) 6973 RCA NOS NOS 1969 (37.0ma and 39.5ma)
6197=6CL6 RCA branded CBS black plate NOS 1960 era in white box (28.2ma)
866A RCA NOS 1960 (62/40)
(!!!!) (Single) 5691 RCA branded GE red base gray plates NOS 1960's (2.1ma/2.4ma)
575A RCA rectifier NOS 1962 (1 in stock)
EL86=6CW5 RCA Canada NOS 1971 (81ma)
5879 RCA branded GE NOS 1974 (2.3ma)
5R4GYB RCA NOS 1970 slightly tilted glass (52/40 and 53/40)
(!!!) (Best Value) 7025 RCA gray pinched plates used/good 1961 era (Gm=1300/1400 and 0.6/0.8mA) (recommended for guitar amp)
(!!!!) (BEST PAIR #2) 5U4GB RCA NOS 1972-1975 era (59-60/40 and 60-60/40) 1-2% matched (best sound)
(!!!!) (Single) 5691 RCA branded GE red base black plates NOS 1960's a few vertical scratches on base (2.1ma/2.3ma)
(!!!) (Recommended Pair) 12AT7 RCA gray plates NOS 1974 (10.5/7.5ma and 10.8/8.2ma)
5AN8 RCA branded GE NOS 1967 (90/60 and 90/60)
(!) (PAIR) 6AS6 RCA gray plate NOS 1962-1965 (5.5ma and 5.5ma)
(!!) (Best Pair #2) 6AN8A RCA NOS 1970 - 1973 (18/14ma and 16/14ma)
(!!!!) (Pair) 6X5GT=VT-126B RCA black plates NOS 1943 (50-52/40 and 50-53/40) (Best Sound) (Audio Note, Mapletree)
(!!!!) (Best Pair #1) 6973 RCA NOS NOS 1969 (42ma and 42.8ma) (close Gm)
(!!!!) (Best Value Pair) 811A RCA used/good/75% 1963 very clean condition (46/36 and 48/36)
(!!!) (Single) 7199 RCA Black Plates NOS 1964 (10.2ma pentode, 12ma triode)
(!!!!) (Best Pair #2) 6973 RCA NOS NOS 1969 (45.5ma and 49.6ma)
