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(!!) (Good Value Pair) CX-71A and 71A RCA/Cunningham Balloon used/good 1930 era (21ma and 18.5ma) (same Gm)
(!!) 6K6GT Philco by National Union coated glass 1953 (46.5ma)
(!!) 6K6GT Philco by Sylvabia NOS 1950-1951 (49ma)
(!!) 71A RCA/Cunningham NOS 1940 era (20ma)
(READ REVIEW) 71A RCA branded Arcturus NOS 1940 era (22.6ma and 23.8ma) (same Gm)
(slightly microphonic) JAN-CHS-6SN7W Sylvania "SHORT BOTTLE" used/good 1945 (7.0/7.6ma)
2J31 Raytheon Magnetron like new condition sold (as-is) (sold)
6A8G RCA used/tests like new 1950's (60/29)
71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)
