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311A WE

311A WE "engraved base" used/strong in white box 1930's (29ma) (tested on Amplitrex)

$ 137.88

311A WE "engraved base" used/good in white box 1930's large getter in white box

29ma

Gm=2800

 

Tested on Amplitrex

Vplate=180V

Vscreen=135V

Vgrid=-15V

Good Ma = 30ma

Good Gm = 2900

 

- Deja Vu

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