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(!!) (Best Value Pair) 71A Philco and Aristocrat used/good 1930's similar build (25.6ma and 27ma) (same Gm)
(!!) (Best Value Pair) 71A Philco and Aristocrat used/good 1930's similar build (25.6ma and 27ma) (same Gm)
$ 64.99
1 pair) 71A Philco and Aristocrat used/good 1930's similar build - different shape top mica
1 tube) 25.6ma Gm=1800
1 tube) 27.0ma Gm=1800
Tested on Amplitrex
Vplate=180V
Vgrid=-38V
Good Ma = 20ma
Good Gm = 1600-1700
See more: vacuum tube
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 (Best Value Pair) 71A Philco and Aristocrat used/good 1930's similar build (25.6ma and 27ma) (same Gm)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_02b6b41b-c9d0-4d7d-9813-d37adb29fb76.jpg?v=1762540084){kind=link}
 (Best Value Pair) 71A Philco and Aristocrat used/good 1930's similar build (25.6ma and 27ma) (same Gm) "Pin It")