6SK7 Ken Rad NOS 1943 (8.2ma)
6SK7 Ken Rad NOS 1943 (9.6ma)
6SK7 RCA used/very good 1945 era (9.2ma) (Gm like new)
6SK7GT Raytheon used/good/70% 1940's (6.6ma)
6SK7GT Sylvania Coronado used/good 1940's (7.2ma)
6SK7GT Sylvania FM Co. used/good 1940's (8.2ma)
6SK7GT Sylvania used/good 1940's (7.3ma)
6SQ7 GE metal can NOS (1 in stock)
6SQ7 metal used/good (3 in stock)
6SQ7 RCA NOS 1950 (1.3ma and Gm=1600)
6SQ7 RCA NOS 1950 era (8 in stock) (special price)
6SQ7 RCA NOS 1953 (1.0ma Gm=1400)
6SQ7 RCA NOS 1961 (0.9ma Gm=1100)
6SQ7GT Fonoco by Sylvania used/strong 1951 (1.1ma and Gm=1100)
6SQ7GT Sylvania used/good 1951 (Gm=800)
6SR7 US Brands metal can NOS (9 in stock)
6SS7 Ken Rad used/good 1940's (76/46)
6SS7=VT-199 Ken Rad NOS 1940's (74/46)
6ST7 RCA NOS
6SV7 GE NOS (10 in stock)
