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Catch 22 with a 45 tube

I read 2.7vac filaments on a pair of 45 tubes wired in parallel on a 2.5v 3A transformer. When I series a .1 ohm 10w resistor the voltage drops to 2.5v but it introduces hum. It's dead quiet at 2.7v. I would appreciate any suggestions.


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Topic - Catch 22 with a 45 tube - Les Hudson 08:27:10 03/10/07 (4)


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