(!!) (Best Single) 6AH4GT Sylvania branded Hytron "D" getter NOS 1954 (48ma) (Highest mA and Gm)
(!) (Best Single) 6AH4GT Tungsol ITT NOS 1960's (34ma)
6AH4GT GE used/good 1955 (20ma)
6AH4GT Hytron By GE "D" getter low/hours/like new 1950's (21ma)
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)
