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(!!) 27 Philco balloon used/tests good, fine mesh-plate 1930 (4.8ma)

(!!) 27 Philco balloon used/tests good, fine mesh-plate 1930 (4.8ma)

$ 27.99

1 tube) 27 Philco balloon used/tests good, fine mesh-plate

4.8ma

Gm=700

 

Good used ma = 4.5ma

Good used Gm = 700-800

 

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