6AX4GTB GE used/strong 1960 (60/40)
6AX4GTB Raytheon Japan black plate NOS 1960's (56/20)
6AX4GTB Raytheon Japan copper plate NOS 1970 era (54/20)
6AX4GTB Raytheon Japan NOS 1970 era (54/20)
6AX4GTB Raytheon used/like new (55/40)
6AX4GTB RCA NOS 1968 (54/20)
6AX4GTB RCA used/tests like new 1964 (57/40)
6AX4GTB Rogers Canada NOS 1960's (52/20)
6AX4GTB Sylvania coin-base NOS 1970's (54/20)
6AX4GTB Sylvania used/good (52/40)
6AX8 NOS
6AY3 US Brands NOS Half-Wave Rectifier (18 in stock)
6BE3=6BZ3 NOS (16 in stock)
6BL4 RCA NOS 1950's
6BS3A NOS (7 in stock)
6BW4 Sylvania black plates used/good 1954-1955
6BX4
6CA4 GE branded Tungsol like new 1960's (55/40 and 56/40)
6CA4 GE branded Tungsol NOS 1960's (54/40 and 54/40)
6CA4 Philco by Sylvania NOS 1960's (52/40 and 52/40)
