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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