** Regulation of the anode supply buys virtually nothing except bragging
rights. The most critical potentials in an amplifier are filament-V
and, for tetrodes and pentodes, screen-V.
>How would it work if you used a plate transformer with a little higher
>output than wanted. Install the secondary of a small buck transformer in
>the primary of the plate transformer.
>In the primary of the buck transformer place a resistor of selected size.
>
>Would this provide some regulation of the high voltage?
>As the supply gets loaded the primary current increases and the current
>in the buck transformer also increases. But the resistor in the primary
>of the buck transformer would cause the buck voltage to drop. As the
>buck voltage drops the output voltage of the plate transformer would
>increase to compensate.
>
>Anyone ever tried this?
>
>73
>Gary K4FMX
>
>
>
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>
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