07-04-2010, 06:41 PM
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#13
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Administrator
Join Date: Nov 2007
Location: Fayetteville, GA, USA
Posts: 3,017
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Quote:
Originally Posted by Andy N1ORK
Hmmm..., let's see............ 117vac / 5 tubes averages out to about 23.4 filament volts per tube. I don't recall if any of the tubes had 24v filaments, Hmmmm...........
Have to check out the old set I have in a wooden case when I get home.
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Hint: The filament voltages all added up to 121 volts. But they were not all equally divided 12 + 12 + 12 + 50 + 34 = 121.
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