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5687 & OB2 as an excellent HT regulator




Hi to all tube enthusisasts,

I need a little help understanding the attached circuit. It's supposed to be an excellent sounding high voltage regulator. Can someone please explain how it works. Input from power supply is 310VDC. Power supply is 6x5, C (50uf), L (20H), C (50uf). I'm not sure about the output voltage. I guess it should be arount 90-110V.

It's intended to drive one 6922 tube. If there is a room for improvement, please let me know.


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Topic - 5687 & OB2 as an excellent HT regulator - NAQTEN8 14:07:13 02/23/15 (23)

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