6AH4GT GE used/good 1955 (20ma)
6AH4GT Hytron By GE "D" getter low/hours/like new 1950's (21ma)
6AN8A RCA gray plates used/tests like new 1960's (16.6/12.4ma)
6AR6 Raytheon black plate used/good 1952 (67ma)
6CG7 Sylvania Emerson used/good chrome electrostatic shield between plates "U" getter 1957 (6.2/6.8ma)
6CS6 RCA Brazil 1960's - 1970's (19 in stock)
6CS6 RCA NOS (2 in stock)
6CS6 Sylvania NOS 1960's (3 in stock)
6CS7 GE branded Tungsol NOS 1961 era (21/11ma)
6CS7 GE Canada NOS black plates 1960's (18/11.2ma)
6CS7 RCA branded Westinghouse NOS 1967 (32ma and 10.6ma)
6CS7 RCA NOS 1970's (23.6ma and 13.5ma)
6CS7 Sylvania branded RCA used/good "U" getter halo 1950's (18/8.2ma)
6CS7 Tungsol branded Lafayette NOS black plates 1960 era (24/12.4ma)
6CS7 Tungsol NOS black plates 1960's (21/10ma) (internals like Sylvania)
6F7G RCA Cunningham like new 1930's
6F7G Sylvania NOS 1940's
6F7G US Brands NOS (15 in stock) (BEST PRICE)
6F7G used/good
6F8G RCA gray ribbed staggered plates NOS no printing 1950's (7ma/8ma)
