I don't know if there is anything to be gained by running with reduced
plate/screen voltage. These tubes are not gettered by heating the plates
like 3-500Zs, so I don't know what the advantage would be. Maybe someone
more knowledgeable than me will chime in.
Victor 4X6GP
On Tue, Sep 20, 2022, 17:22 Paul Decker <kg7hf@comcast.net> wrote:
> Thanks Victor,
> For some reason, I was thinking I read the opposite. Would it then just
> be better to apply both screen and full or reduced plate voltage?
>
> Paul.
>
>
> > On 09/19/2022 11:33 AM Victor Rosenthal 4X6GP <k2vco.vic@gmail.com>
> wrote:
> >
> >
> > On 19/09/2022 18:17, Paul Decker wrote:
> >
> > <snip>
> >
> > > Step 2. With filiment, apply 500v grid to the 4cx1500's but no plate,
> > > and 500 v plate to the 8122's let that soak for a while,
> >
> > <snip>
> >
> > NEVER DO THIS! If you apply screen voltage without plate voltage, screen
> > current will go through the roof and destroy the screen!
> >
> > Always ensure plate voltage is present before applying screen voltage!
> >
> > 73,
> > Victor, 4X6GP
> > Rehovot, Israel
> > Formerly K2VCO
> > CWops no. 5
> > http://www.qsl.net/k2vco/
>
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