(!!) UX-245 RCA Radiotron Balloon used/good 1930's rattle inside base (20.8ma)
$ 129.99
UX-245 RCA Radiotron Balloon used/good 1930's in white box - rattles inside base from dried glue partciles
20.8ma
Gm=1500
Tested on Amplitrex
Vplate=275V
Vgrid=-54.8V
Good used ma 25-30ma
Good used Gm 1500-1800
Recommended for
Tektron
Deja Vu
Victor RE-36 1929
DIY
See more: vacuum tube
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 UX-245 RCA Radiotron Balloon used/good 1930's rattle inside base (20.8ma) "Pin It")