50Y7GT US Brands NOS (3 in stock)
5Z3P Chinese (substitute is 5U4G or 5U4GB)
5Z4 CBS NOS 1954 (53/40 and 55/40)
5Z4 GE Coronado NOS 1950 (48/40 and 50/40)
5Z4 Ken Rad NOS 1946 (53/40 and 53/40)
5Z4 Ken Rad NOS 1949 (53/40 and 53/40)
5Z4 RCA JAN NOS 1959 (51/40 and 51/40)
5Z4 RCA NOS mid-1940's (50/40 and 51/40)
5Z4 Rogers Canada NOS 1959 (51/40 and 51/40)
623 National USA rectifier NOS (check back soon)
6AF3 GE NOS (3 in stock)
6AF3 Sylvania NOS (4 in stock)
6AL3=EY88 RCA France 1969 Half-Wave HV Rectifier NOS (1 in stock)
6AL3=EY88 RCA Holland NOS 1960 (Half-Wave HV Rectifier) (1 in stock)
6AL3=EY88 Realistic Germany by Siemens NOS (1 in stock)
6AL3=EY88 Sylvania NOS Half-Wave HV Rectifier (1 in stock)
6AY3 US Brands NOS Half-Wave Rectifier (18 in stock)
6BE3=6BZ3 NOS (16 in stock)
6BW4 Sylvania black plates used/good 1954-1955
6CJ3 Sylvania NOS no printing 1970's (87/60)
