6S7G Coronado NOS 1940's (2 in stock)
6S7G Raytheon NOS 1940's
6S8GT Sylvania NOS 1950 era
6SA7 Ken Rad NOS 1940's (1 in stock)
6SA7GT CBS NOS 1953 (92/50)
6SA7GT Delco NOS 1940's (94/50)
6SA7GT US Brands NOS (10 in stock)
6SA7GTY National Union NOS 1952
6SB7Y GE NOS 1962 (3 in stock)
6SB7Y RCA used/good (1 in stock)
6SB7Y Sylvania NOS 1960's (2 in stock)
6SB7Y US Brands NOS (1 in stock)
6SC7 GE NOS 1970 era (2.1/2.0ma)
6SC7 RCA NOS 1959 (1.8/1.7ma)
6SC7 RCA NOS 1959 (2.3/2.0ma)
6SC7 Tungsol NOS 1950's (1.9/2.2ma)
6SC7=VT-105 Ken Rad used/good 1946 (1.8/1.9ma)
6SC7=VT-105 RCA used/good 1940's (1.4/1.5ma)
6SC7=VT-105 RCA used/good 1940's (1.6/1.7ma)
6SD7GT Raytheon NOS (3 in stock)