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112A RCA used/tests like new 1930's (7.5ma)

112A RCA used/tests like new 1930's (7.5ma)

$ 29.99

112A RCA engraved base used/tests like new 1930's

7.5ma

Gm=1600

 

Vplate = 180V

Vgrid = -13.5V

Good used Ma = 5.5 - 7ma

Good used Gm = 1400-1600

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