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6DN7 GE branded Tungsol RCA NOS black plate/gray plate 1960 era (40ma and 8.5ma)

6DN7 GE branded Tungsol RCA NOS black plate/gray plate 1960 era (40ma and 8.5ma)

$ 16.99

1 tube) 6DN7 GE branded Tungsol RCA NOS black plate/gray plate 1960 era

40ma Gm=7800

8.5ma Gm=2500

 

Tested on Amplitrex

1 section) Good NOS Ma=35-40ma and Gm=7000-7700

1 section) Good NOS Ma=8ma and Gm=2500

 

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