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6SF5 Sylvania used/good 1949 (0.8ma Gm=1100)
6SF5 Sylvania used/good 1950's (0.8ma Gm=1400)
6SF5GT Sylvania Philco NOS 1940's (1.1ma Gm=1100)
6SF5GT used
6SF7 Sylvania NOS 1950's (12.4ma)
6SF7 Tungsol NOS 1954 (12.4ma)
6SG7 metal can used/good
6SG7 RCA metal can NOS 1960-1961 (4 in stock)
6SG7 US Brands metal can NOS (7 in stock)
6SG7GT glass used/good
6SG7GT US Brand branded International NOS (3 in stock)
6SG7Y RCA NOS 1960 (6 in stock)
6SH7 metal used (4 in stock)
6SH7 Rauland by RCA metal can NOS 1955 (11ma)
6SH7 RCA metal can NOS (10.3ma)
6SH7 RCA metal can NOS 1955 (10.2ma)
6SH7GT Raytheon NOS 1940's (9.5ma)
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)
