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In Reply to: RE: Measurements posted by kyle on March 13, 2015 at 17:53:03
The filament supply can't handle the load so the voltage dropped. That throws everything off.
If the supply was up to the task then the 2a3 would have 5 volts across it's filament and be drawing 5 amps of current from the supply.
But that wouldn't happen because the "Hot" resistance of the 2a3 filament with 5 volts would be higher than the "Hot" resistance with the normal 2.5 volts.
So it would naturally end up some where in between.
Tre'
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Right! As I said, the filament supply is unregulated.
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