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6884 Amperex NOS
6907 Amperex USA NOS in Motorola boxes
6910 Sylvania NOS (3 in stock)
6923 Amperex Germany NOS (20 in stock)
6939 NOS (20 in stock)
6953 Cetron NOS (1 in stock) Photo-tube
6973 RCA black plate used/good 1950's (34ma)
6973 RCA gray plate used/good 1970 era (56.5ma)
6A3 Ken Rad coated glass NOS 1950 (82ma)
6A3 RCA Victor NOS 1948-1949 (62ma)
6A3 Sylvania branded Tungsol used/good 1940's (70ma)
6A3 Tungsol coated glass used/good 1940's (44ma)
6A3 Tungsol coated glass used/good 1940's (60ma)
6A4/LA US Brands NOS (5 in stock)
6A5G Sylvania 1940's low hours/like new (72ma)
6A5G Sylvania 1940's used/good rattle inside base slightly tilted glass (74ma)
6A5G Sylvania rebranded Ken Rad NOS 1940's (114ma)
6A5G Sylvania rebranded Philco engraved base NOS 1930's (79ma)
6A5G Sylvania rebranded Philco NOS 1940's (123ma)
6AG6=KT61=EL33
