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6AB4 Tungsol NOS "D" getter 1950's (9.6ma)
6AC5GT Sylvania NOS 1940's (39/21)
6AG5 Tungsol branded Raytheon NOS 1960's (7.4ma)
6AH4GT RCA NOS 1960's (17.5ma)
6AH4GT Sylvania branded Hytron narrow plate "D" getter 1952 used/good (26ma)
6AH4GT Sylvania branded Raytheon chrome top 1956 (21ma)
6AH4GT Sylvania chrome top NOS 1950's (22ma)
6AH4GT Sylvania rebranded GE low hours/like new 1960's (27ma)
6AK6 RCA NOS 1959 (86/60)
6AK6 US Brands NOS (40 in stock)
6AN8A GE Great Britain made in Japan NOS 1976 (13/19ma)
6AR6 Raytheon black plate used/good 1952 (67ma)
6AU6A GE NOS 1970's (6.8ma)
6AW8A Sylvania NOS 1960's with special silver oxide coating (2.4/21.5ma)
6AW8A Sylvania NOS 1960's with special silver oxide coating (2.8/28ma)
6B4G Ken Rad branded RCA coated glass NOS 1946 (110ma)
6BK7B Philco by Sylvania NOS 1960 (13.2ma/15.2ma)
6BW4 Sylvania black plates used/good 1954-1955
6C6 Tungsol NOS 1955 (45/31 and 2.1ma)
6CS7 Tungsol NOS black plates 1960's (21/10ma) (internals like Sylvania)
