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 RCA NOS 1971 (90/60)
6AK6 US Brands NOS (40 in stock)
6AR6 Raytheon black plate used/good 1952 (67ma)
6AU6A Tungsol NOS 1960 era (8.3ma)
6AW8A GE branded Westinghouse NOS 1964 (3.8/24ma)
6AW8A GE NOS 1976 (4.9/21ma)
6B4G Ken Rad branded RCA coated glass NOS 1946 (110ma)
6BC8 Westinghouse Canada NOS 1960's (6.0/6.6ma)
6BK7B Philco by Sylvania NOS 1960 (13.2ma/15.2ma)
6BL7GTA RCA coin-base NOS 1970's (31/32ma)
6BW4 Sylvania black plates used/good 1954-1955
6BX7GT GE branded Tungsol NOS "D" getter 1957 (48ma/53ma)
6C6 Tungsol NOS 1955 (45/31 and 2.1ma)
6CA4 Tungsol branded RAD TEL NOS 1961 (52/40 and 52/40)
6CS7 Tungsol branded Lafayette NOS black plates 1960 era (24/12.4ma)
6CS7 Tungsol NOS black plates 1960's (21/10ma) (internals like Sylvania)
