(!!) (BEST PAIR #1) 6AX4GTB GE NOS 1967 same build (56/40 and 56/40)
(!!) (Pair) 6AX4GTB Sylvania NOS and like new 1960's (56/40 and 53/40)
(PAIR) 6AX4GT RCA used/very good (54/40 and 54/40)
(READ REVIEW) 6AX4GTB Raytheon used/like new (55/40)
6AX4GT CBS NOS 1950's (54/40)
6AX4GT CBS short bottle NOS 1950's (54/40)
6AX4GT Channel Master JAPAN NOS 1960's (56/40)
6AX4GT RCA NOS 1960's (56/40)
6AX4GT RCA used/tests like new 1955 era (56/40)
6AX4GTB GE used/strong 1960 (60/40)
6AX4GTB RCA used/tests like new 1964 (57/40)
6AX4GTB Rogers Canada NOS 1960's (52/40)
6AX4GTB Sylvania coin-base NOS 1970's (54/40)
6AX4GTB Tungsol used/good 1950's (48/40)
