DuMont RA-108 Mansfield inductuner - Videokarma.org TV - Video

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DuMont RA-108 Mansfield inductuner

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#12

01-05-2016, 03:48 PM

bigaudioal bigaudioal is offline

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Join Date: Mar 2012

Location: Gaithersburg, MD

Posts: 623

Quote:

Originally Posted by Gregb

Did you get that correct, the plate voltage is -140v? There is no way that tube will work with a negative voltage on the plate. Have to try and figure out why it is negative.

Gregb

Sorry, should not have used a "-" before listing voltages. That is 140 vdc. Not negative.

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