6202 RCA NOS 1972 (52/40 and 54/40)
6202 RCA used/good 1974 (52/40 and 52/40)
6203 GE 5-Star NOS 1965 (54/40 and 54/40)
6203 US Brands NOS (11 in stock)
623 National USA rectifier NOS (sold out)
6AF3 Sylvania NOS (8 in stock)
6AL3=EY88 International Japan Half-Wave HV Rectifier NOS (1 pair)
6AL3=EY88 RCA France 1969 Half-Wave HV Rectifier NOS (1 in stock)
6AL3=EY88 Realistic Germany by Siemens NOS (1 in stock)
6AL3=EY88 Rogers Holland 1968 Half-Wave HV Rectifier NOS (1 in stock)
6AL3=EY88 Sylvania NOS Half-Wave HV Rectifier (1 pair)
6AL5 GE NOS (48/40 and 48/40)
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)
