Why adjust the B+ ?
Steve Flood wrote:
> I'm planning a 3x813 amp in grounded-grid. Primary use will be for
> 160-80-40-20 CW (Class C). What must I do if I occasionally wish to run the
> amp in linear SSB service (Class B or AB)? Am I understanding correctly from
> my reading that I need to add an adjustable grid bias voltage control for
> adjusting cutoff, and an adjustable plate voltage control (variac?). It
> seems like some amps use one way or the other but not both.
>
> steve
> kk7uv
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