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99=UX-199 Lafayette engraved base tests like new (2.0ma)

99=UX-199 Lafayette engraved base tests like new (2.0ma)

$ 49.99

1 tube) 99=UX-199 Lafayette engraved base tests like new 1930's

Vplate=90V

Vgrid=-4.5V

Iplate = 2.0ma

 

(18/11) tested on TV-7

 

(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UX base has smaller size pins)

See more: vacuum tube
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