6AL5 RCA NOS (2 in stock)
6AL5 Sylvania Canada NOS (48/40 and 49/40)
6AL5 Sylvania NOS (3 in stock)
6AL5 Tungsol rebranded GE NOS 1966 (48/40 and 50/40)
6AL5 US Brands used/good (50 in stock)
6AU4GT/GTA US Brands used (7 in stock)
6AU4GTA RCA coin-base NOS 1970's (single)
6AX3 US Brands NOS (19 in stock)
6AX4GT CBS NOS 1950's (54/40)
6AX4GT CBS short bottle NOS 1950's (54/40)
6AX4GT RCA used/tests like new 1955 era (56/40)
6AX4GTB GE NOS 1966 (59/40)
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 Sylvania used/good (52/40)
6AX8 NOS
6AY3 US Brands NOS Half-Wave Rectifier (18 in stock)
6BE3=6BZ3 NOS (16 in stock)