171A_RCA_Radiotron_Balloon_used_good_1932_20ma

171A RCA Radiotron Balloon used/good 1932 (20ma)

Category: SKU: TOY390494

$13.50 $44.99

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171A RCA Radiotron Balloon used/good 1932

20ma

Gm=1700

Tested on Amplitrex

Vplate=180V

Vgrid=-38V

Good Ma = 20ma

Good Gm = 1600-1700

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