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6AS7GA Sylvania metal base NOS 1960's (77/87ma)
6AU8 Raytheon black plates "U" getter halo NOS 1955 (2 in stock)
6AU8 RCA black plates "D" getter halo NOS 1950's (5 in stock)
6CG7 Sylvania Emerson used/good chrome electrostatic shield between plates "U" getter 1957 (6.2/6.8ma)
6CG7 Sylvania gray plates NOS "U" getter 1958 with chrome electrostatic shield between plates (6.8ma/8.8ma)
6F8G RCA gray ribbed staggered plates NOS no printing 1950 era (7ma/8ma)
6SL7GT Brimar NOS black base black plates 1950's (2.2/2.4ma) (slightly microphonic)
7199 RCA Black Plates NOS 1963 (10.4/7.6ma)
7AF7 Sylvania branded Raytheon NOS gray round plates NOS 1948 printed in 1952 (10/10ma) 1-2% section balance
7F7 Sylvania round black plates used/good 1960's (1.9/1.7ma)
JG-6021 GE gray plates NOS 1962 (6.4/5.5ma)
JHS-12AU7 Sylvania "black plates" with "D" getter used/mis-matched sections (7.6/12ma)
