> > >If you can adjust driving power to obtain the desired out, the CW
> > >position becomes basically meaningless, expecially if considering
> that
> > >tubes work better at 3Kv plate voltage.
Correct.
Better efficiency, and less drive required.
> >
> > CW has c. 2x the duty-cycle of SSB. The SB-220's HV transformer is
> too
> > light for CW on the SSB tap. The same thing is true for the TL-922.
> >
>
> Reducing the drive power and consequently the output power, the RMS
> developed for a stated duty cycle is accordingly reduced.
Correct again.
The "CW" position was to meet the old FCC rules of "1kw INPUT."
The switch makes a dandy standby switch, and allows restoration
to factory stock when peddled on E-Bay for $700!
(((73)))
Phil, K5PC
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