(!) 47 RCA Radiotron Balloon used/good 1930's (23.4ma)
$ 29.99
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
See more: vacuum tube
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 47 RCA Radiotron Balloon used/good 1930's (23.4ma) "Pin It")
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