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Re: 3.5KOhm, don't forget to use 2.5V heater taps.

Thanks Hagustus, I think 270V or 250 V for the plate voltage, and 35Mamp are the correct ones. The 45 has a 2.5 V filament and 1.5 Amp while the 300B has a 5 volt filament. My doubt is about OPT 3.5K primary in contrast to the 5K required by the 45. What do you think about this?, Best Regards, Martin


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