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(!) 203A Sylvania brass base tests like new 1930's
(!) 30 Cunningham NOS 1940's original box (2.7ma)
(!) 30 Philco engraved base NOS 1930's (3.7ma)
(!) 31 Ken Rad NOS engraved base 1940 era (11ma)
(!) 31 Tungsol NOS 1940's (11.8ma)
(!) 448A Western Electric smooth top used/good "D" getter halo 1963-1970 (1 pair: 35ma and 36.5ma) (Matched on Amplitrex)
(!) 5687 Raytheon part bronze part black plates used/tests like new 1960 (33/38ma)
(!) 59 Majestic NOS engraved base excellent condition 1930's
(!) 5C22 ITT Electron Tube Division low hours/good condition 1967 some scratches on the base
(!) 6AN8A Tungsol rebranded Dumont NOS 1960's (14.5/14.8ma)
(!) 6BE6 Raytheon NOS 1950's (1.1ma Gm=900)
(!) 6BE6 Sylvania NOS (1.4ma)
(!) 6DE7 GE Admiral black plates NOS 1965 (4.5/27ma) (Woo Audio)
(!) 6DJ8 Mullard England branded Amperex "A" frame like new 1986 (12.6/13.4ma)
(!) 6DJ8 Tungsram Hungary branded Amperex NOS 1980 (11.2/11.0ma)
(!) 6DJ8 Tungsram Hungary branded Amperex NOS 1980 (11.5/15.5ma)
(!) 6DJ8 Tungsram Hungary branded Amperex used/good 1982 (9.5/12.5ma)
(!) 6DQ6B RCA NOS 1970's (75ma)
(!) 6J7GT Hytron used/strong 1940's (2.6ma)
(!) 6JS6C GE branded RCA NOS 1970's (55ma)
