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)
6AB4 Tungsol NOS "D" getter 1950's (13.2ma)
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 RCA NOS 1971 (90/60)
6AK6 US Brands NOS (40 in stock)
6AR6 Raytheon black plate used/good 1952 (67ma)
6AW8A GE NOS 1976 (4.9/21ma)
6B4G Ken Rad branded RCA coated glass NOS 1946 (110ma)
