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RE: A critical inductance choke input filter....

My filament supplies for the direct heated tubes are LCRCL and my heater supplies for the indirect heated tubes are LCRC with critical inductance input chokes and a lot of capacitance. In both cases the ripple is almost non-existent.

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"



Edits: 07/25/23

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