UX-245 RCA Radiotron Balloon used/good 1930”s slightly pitted base – charcoal black plate – in white box
29ma
Gm=1630
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


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