47_RCA_Radiotron_Balloon_used_good_1930_s_23_4ma_1

(!) 47 RCA Radiotron Balloon used/good 1930”s (23.4ma)

Category: SKU: TOY391066

$9.00 $29.99

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1 tube) 47 RCA Radiotron Balloon used/good 1930”s

23.4ma

Gm=1900

Vplate=250V

Vscreen=250V

Vgrid=-15V

NOS Iplate=27ma

NOS Gm=2350

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