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NY_247_47_National_Union_Balloon_used_good_1930_s_22_6ma_and_strong_Gm

NY_247_47_National_Union_Balloon_used_good_1930_s_22_6ma_and_strong_Gm

(!) NY-247=47 National Union Balloon used/good 1930”s (22.6ma) (and strong Gm)

Category: vacuum tube SKU: TOY394557

$10.50 ~~$34.99~~

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NY-247=47 National Union Balloon used/good 1930”s in WB

22.6ma

Gm=2280

Vplate=250V

Vscreen=250V

Vgrid=-15V

NOS Iplate=27ma

NOS Gm=2350

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