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24A Sylvania ST-shape engraved base used/very good 1930's (44/25) (2.9ma Gm=800)

24A Sylvania ST-shape engraved base used/very good 1930's (44/25) (2.9ma Gm=800)

$ 9.99

1) 24A Sylvania ST-shape engraved base used/very good 1930's

2.9ma

Gm=800

 

Good used Ma = 2.5 - 3.0ma

Good used Gm = 700-800

 

TV7D/U=44/25

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