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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: Measurements

So if the filaments are running at 3.36V they would be drawing 1.86A if the filament wattage is still 6.25W?
2.5V / 2.5A = 1 ohms with the standard 2A3 or with a 300B, 5V / 1.5A = 4 ohms
3.36V / 1.86A = 1.81 ohms with your 2A3-40
Is this correct? It doesn't seem right to me. Where did I mess up?


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