Tube DIY Asylum

RE: Can choke be used for power voltage regulation ?

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You're talking about a "swinging choke". In the 1980's they were available in electronics shops for stabilising the mains voltage for such things as enlargers forget process photograph printing, since the exposure would vary with line voltage, which gave inconsistent results. Now that most photography has become digitised all that tech has been consigned to the dumpster.

I've had two swinging chokes from those days, but many years have passed and in one house move or another they were lost. They were a vertitable weight addition to any boat anchor.

I doubt it was much use to hifi as it works by core saturation.

Things are done better today.

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