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6W6GT Philco used good 1954 (50ma)
6W6GT Tungsol coated glass NOS 1960 era (50ma)
6W6GT used/test good
6W7G Crosley by RCA NOS
6W7G Ken Rad NOS
6X4 IEC Electron Japan used/tests like new 1960's (60/40 and 62/40)
6X4 Philco used/good 1949 (46/40 and 47/40)
6X4 RCA "O" getter used/good 1960's (44/40 and 49/40)
6X4WA GE black plates rebranded National NOS (55/40 and 56/40)
6X5GT Sylvania chrome top used/good 1956 (47/40 and 50/40)
6X9=ECF200 NOS
6Y10 US Brands NOS (2 in stock)
6Y5 RCA NOS with metal shield soldered around tube (74-73/50)
6Y7G US Brands NOS (12 in stock) ($2.99 special price)
6Y9=EFL200 GE NOS
6Z10=6J10 US Brands (8 in stock)
6Z7G US Brands NOS (4 in stock)
6Z7G used
6ZY5G Coronado/Gamble Stores licensed by RCA NOS (3 in stock)
6ZY5G Philco NOS 1940's (56/40 and 62/40)
