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DX-112A Paramount by RCA balloon used/good 1930 era (6.0ma)

$ 34.99

DX-112A Paramount by RCA balloon used/good 1930 era

6.0ma

Gm=1500

 

 

Vplate = 180V

Vgrid = -13.5V

Good Ma = 6-7ma

Good Gm = 1600-1700

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