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Old 15th Jan 2020, 9:39 pm   #9
Tinker1966
Triode
 
Join Date: Nov 2014
Location: Leominster, Herefordshire, UK.
Posts: 25
Default Re: Valve testing a 4212

Wow thanks Station X -
Car battery - I have several of those hanging about.
So connect that to the filament terminals and measure the other 2 with the voltmeter to see if there's any voltage .....
That's tomorrows project sorted
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