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Max Tube voltage during warm up

Using a choke input power supply with a direct filament rectifier tube, the rectifier produces voltage while the sudio power tubes are warming up. It sores to high values above 500 volts before the power tubes conduct and lowers that voltage to 300 volts. How high can a tube voltage be during warm up? My tubes are rated at 315 volts plate. Nothing regarding this is on the internet.


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Topic - Max Tube voltage during warm up - sony6060 07:40:32 06/3/21 (34)

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