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

$25.00 $29.99


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47 Arcturus Balloon Blue Balloon power tubes PZ47 RCA Radiotron


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Power Tubes
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  • Description

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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