6CA4 Sylvania NOS 1960 era (54/40 and 54/40)
6CA4 Tungsol branded RAD TEL NOS 1961 (52/40 and 52/40)
6CA4=EZ81 RCA used/good 1962 (53/40 and 53/40)
6CA4=EZ81 Sylvania used/good 1960's (53/40 and 53/40)
6CD3 RCA branded Admiral NOS (1 in stock)
6CE3=6CD3 Sylvania NOS (2 in stock)
6CG3 GE branded Admiral NOS 1960's (1 in stock)
6CJ3=6DW4B GE copper plates used/good 1960's (86/60)
6CK3 GE NOS 1973 (1 pair)
6CL3=6CK3 GE NOS (7 in stock)
6CL3=6CK3 RCA NOS (1 pair)
6CL3=6DW4B Westinghouse Japan NOS (1 pair)
6DA4A Raytheon Japan black base NOS 1960's (91/60)
6DA4A RCA black base NOS 1960's (92/60)
6DA4A Sylvania black base NOS 1970 era (82/60)
6DA4A Sylvania black base NOS 1970 era (95/60)
6DE4 Sylvania used/like new (1 pair)
6DE4 Tungsol NOS 1960's
6EC4A=EY500 GE JAPAN NOS 1960's (1 pair)
