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26 National Union engraved base tests like new 1930's (6.0ma)

26 National Union engraved base tests like new 1930's (6.0ma)

By Tube World

$ 27.99

26 National Union engraved base tests like new 1930's

6.0ma

Gm=1100

 

Tested on Amplitrex

Vplate=180V

Vgrid=-14.5V

NOS Ma = 5.5ma - 6ma

NOS Gm=1100

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