71A Cunningham Balloon used/tests like new 1930”s
30ma
Gm=1900
Tested on Amplitrex
Vplate=180V
Vgrid=-38V
Good Ma = 20ma
Good Gm = 1600-1700
$18.00 $59.99
71A Cunningham Balloon used/tests like new 1930”s
30ma
Gm=1900
Tested on Amplitrex
Vplate=180V
Vgrid=-38V
Good Ma = 20ma
Good Gm = 1600-1700
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