[Amps] testing 572b's for filament shorts

walnutcreek at appstate.net walnutcreek at appstate.net
Mon Nov 19 11:21:19 EST 2007

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Hi all,
Can you test for a filament short with a DVM?  I checked four different tubes and two showed a short on the filament pins, the other two did not.  Are the two that showed a short bad?
Cam 
WA4JKW

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