6EM7 GE Canada NOS 1960's (2.9ma/30ma)
6EM7 RCA coin-base black plates used/good 1970's (2.6ma/63ma)
6EM7 RCA coin-base used (2.5ma/28ma)
6EM7 Sylvania coin-base NOS 1970's (1.5ma/73ma)
6EM7 Sylvania coin-base NOS 1970's (2.2ma/60ma)
6EM7 Sylvania NOS 1960's (1.7ma/75ma)
6EM7 Sylvania NOS 1970 (1.5ma/47ma)
6EM7 Sylvania Silvertone NOS 1960's (1.5ma/55ma)
6EN4 NOS
6EQ7 US Brands NOS (3 in stock)
6ET6=EF98 International Mazda France NOS (2 in stock)
6ET6=EF98 Valvo by Mazda France NOS 1960-1965 (3 in stock)
6EU8 NOS (7 in stock)
6EV5 Sylvania and GE NOS (37 in stock)
6EW7 RCA BIG BOTTLE black plates NOS 1961 era (5.4/42ma)
6EW7 RCA BIG BOTTLE NOS 1960's (5.6/36ma)
6EZ5 US Brands NOS (3 in stock)
6F6G National Union black plate NOS 1951 (40.5ma)
6F6GT Sylvania branded Raytheon NOS 1951 (43ma)
6GB5 / 6GB5A=EL500 Sylvania Holland NOS 1966-1968 (2 in stock)
