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6CM7 RCA NOS 1960's (4.6ma and 17.5ma)
6CM8 NOS (5 in stock)
6CN7 NOS (6 in stock)
(PAIR) 6CQ6=EF92 Haltron by Mullard England used/good 1956 (88/60 and 85/60)
6CR6 US Brands NOS (8 in stock)
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 Sylvania branded RCA used/good "U" getter halo 1950's (18/8.2ma)
6CS7 RCA branded Westinghouse NOS 1967 (32ma and 10.6ma)
(!!) (RCA Pair) 6CS7 RCA NOS 1962-1965 (17/11ma and 17/12.6ma)
6CS7 Tungsol NOS black plates 1960's (21/10ma) (internals like Sylvania)
6CU5 NOS (10 in stock)
6CU6 Sylvania black plate like new condition (54ma)
6CU6 Sylvania black plate NOS (55ma)
6CU6 Sylvania black plate NOS (72ma)
6CU6 Sylvania gray plate NOS (58ma)
6CU6 Sylvania gray plate NOS (87ma)
6CU8 US Brands (15 in stock)
6CW4 GE like new 1980 (120/60)
