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6939 NOS (20 in stock)
6953 Cetron NOS (1 in stock) Photo-tube
6A4/LA US Brands NOS (5 in stock)
6A6 Raytheon like new 1930's (92-94/40) strong output
6A6 US Brands NOS 1940's (8 in stock)
6A7G Marconi Radiotron Canada NOS 1950's (6 in stock)
6A7G National Union used/good 1940's (40/29)
6A7G RCA Cunningham like new 1930's (45/29)
6A7G RCA used/tests like new 1940's faded printing (53/29)
6A7G Sylvania used/tests like new 1946 (48/29)
6A7G US Brands used/good (5 in stock)
6A8 Philco metal can NOS 1940's (99/60)
6A8G Cunningham NOS 1948 (52/29)
6A8G RCA used/tests like new 1950's (60/29)
6A8G Sylvania NOS 1951-1952 (44/29)
6A8G Tungsol NOS 1950 era (43/29)
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)
