(BEST VALUE) EM87 Dumont England NOS (4 in stock)
(slightly microphonic) 12BH7 GE Zenith NOS "U" getter 1953 (10.0/10.6ma)
12BH7A Channel Master Japan by Hitachi NOS 1962 (10/14ma)
12BH7A Matsushita Japan branded Amperex Holland NOS 1970's (8.8ma/9.6ma)
6AU6WB Sylvania NOS 1968 (7.2ma)
6AU6WC Sylvania NOS 1970-1980 (0 in stock)
6AU6WC=6136 GE NOS 1978-1979 (7.7ma)
7591 Fisher Westinghouse used/good/75% 1963 (43.5ma, Gm=7450)
7591 Tungsol used good 1963 (55ma, Gm=8100)
7591 Westinghouse branded RCA NOS 1963 (51.5ma, Gm=9050)
7591A Sylvania branded RCA coin-base NOS 1970's (63ma, Gm=10,000)
7591A Sylvania branded RCA used/75% 1968 (51ma, Gm=7,600)
