6A7G Marconi Radiotron Canada NOS 1950's (11 in stock)
6A7G National Union NOS 1950 era (46/29)
6A7G National Union used/good 1940's (40/29)
6A7G RCA Cunningham like new 1930's (45/29)
6A7G RCA Cunningham used/good 1930's (41/29)
6A7G RCA NOS 1970 (47/29)
6A7G RCA NOS sealed box 1940's (46/29)
6A7G Sylvania Motorola NOS 1952 (42/29)
6A7G US Brands used/good (9 in stock)
6A8 GE metal can NOS 1959 (49/29)
6A8 GE metal can NOS 1959 (95/60)
6A8 GM Genuine Parts metal can used/tests like new 1940's (52/29)
6A8G RCA used/tests like new 1950's (60/29)
6A8G Sylvania NOS 1951-1952 (44/29)
6A8G Tungsol NOS 1950 era (3 in stock)
6A8MG France NOS in large metal cans (25 in stock)
6AB4 GE branded CBS NOS 1960 era (13ma)
6AB4 GE NOS "D" getter 1962 (8ma)
6AB4 RCA black plate "D" getter NOS 1950's (11.4ma)
6AB4 RCA black plate "D" getter NOS 1955 (11.8ma)
