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6MQ8 US Brands NOS (8 in stock)
6MU8 GE NOS
6MV8 NOS
6N4
6N5 Coronado by RCA NOS tuning eye (1 in stock)
6S4A GE Admiral NOS 1965 (27.5ma)
6S4A Raytheon NOS 1961 (20ma)
6SC7 GE NOS 1970 era (1.6/1.7ma) 1-2% section balance
6SC7=VT-105 RCA used/good 1940's (1.4/1.5ma)
6SF5GT Sylvania Philco NOS 1940's (1.1ma Gm=1100)
6SF5GT used
6SH7 metal used (4 in stock)
6SJ7 GE used/like new 1966 (3.3ma)
6SJ7 RCA metal can like new 1964 (3.5ma)
6SJ7 RCA used/good 1940's (2.8ma)
6SJ7 US Brands used/good (40 in stock)
6SJ7Y=VT-116B RCA used/tests like new 1943 (3.8ma)
6SJ7Y=VT-116B Sylvania brown bottom like new 1940's (3.7ma)
6SK7 FM Co. by GE used/good 1951 (9.6ma)
6SK7 GE metal NOS 1977 in Sylvania box (8.2ma)
