(!!) 71A Philco used/good 1930's (18.5ma)
$ 24.99
71A Philco used/good 1930's
18.5ma
Gm=1700
Tested on Amplitrex
Vplate=180V
Vgrid=-38V
Good used mA = 18-20mA+
Good used Gm = 1500-1700
See more: vacuum tube
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 71A Philco used/good 1930's (18.5ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_e52f9bf3-4965-4651-b0b1-f9ede8fc9e4a.jpg?v=1762541335){kind=link}
 71A Philco used/good 1930's (18.5ma) "Pin It")