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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) Image 1
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(!) NY-247=47 National Union Balloon used/good 1930's (22.6ma) (and strong Gm) Nav Image 1

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

$29.99 $34.99


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47 Arcturus Balloon power tubes RCA Radiotron Tungsol


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  • Description

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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