Tube DIY Asylum: RE: "Singing" Power Transformer by mikeyb Do It Yourself (DIY) paradise for tube and SET project builders.

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Posted by mikeyb (A ) on October 14, 2019 at 09:57:46

In Reply to: RE: "Singing" Power Transformer posted by trobbins on October 13, 2019 at 18:18:57:

The heater-cathode voltage limit of the 6CA4 is 500 volts. T1 secondary is 350-0-350 VAC, so the cathode voltage is around 300 VDC with the LCLC filter. Why do you say that the heater-cathode voltage has been exceeded?

Dunacn amps "PSU Designer II" shows no problems.

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