UY_227_RCA_Radiotron_Balloon_used_good_1930_era_3_8ma

(!!) UY-227 RCA Radiotron Balloon used/good 1930 era (3.8ma)

Category: SKU: TOY394939

$4.50 $14.99

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UY-227 RCA Radiotron Balloon used/good 1930 era – very tiny rattle inside base

3.8ma

Gm=800

Tested on Amplitrex

Vplate=250V

Vgriod=-21V

NOS Ma = 4.6-5ma

NOS Gm=900

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