6AQ5A Amperex Japan NOS 1970 (48.8ma)
6AQ5A Raytheon Japan NOS 1970's (2 in stock)
6AQ5A Raytheon Japan NOS 1970's (49.4ma)
6AR6 Raytheon black plate used/good 1952 (67ma)
6AU8 Raytheon black plates "U" getter halo NOS 1955 (2 in stock)
6B4G Philco by Sylvania NOS 1947 (80ma)
6B4G Raytheon NOS 1950 era (94ma)
6B4G Sylvania used/like new 1940's (96ma)
6B8G Raytheon NOS (1 in stock)
6CJ3=6DW4B Raytheon Japan NOS
6DW4 Sylvania branded GE tipped top NOS (1 pair)
6DW4 Sylvania tipped top like new
6EA7 GE black base rebranded Zenith 1960 used/good (3.6ma/35ma)
6EM7 RCA black plates NOS 1965 (1.2ma and 30ma)
6EM7 RCA coin-base black plates NOS 1970's broken guide pin (2.4ma/50ma)
6EM7 RCA coin-base black plates used/good 1970's (2.6ma/63ma)
6EM7 RCA coin-base used (2.5ma/28ma)
6EM7 Sylvania NOS 1960's (1.7ma/75ma)
6EM7 Sylvania NOS 1970 (1.5ma/47ma)
6EM7 Sylvania Silvertone NOS 1960's (1.5ma/55ma)