Re: [regsaudioforum] Re: Restoring old electrolytics
- Applying HT before the tube heaters raise the cathode
to a suitable temperature may well reduce the emission
of the tube.
"Cathode Stripping" was the term I was taught.
--- Bob Stern <bob_stern@...> wrote:
> >regtas43 wrote:___________________________________________________________
> >Actually the old tube amps have no controlled
> turnon for the tubes,
> >so if you want to max out tube life, you should
> warm them up every
> >time with a Variac before beginning to use them.
> Maybe it's not slow enough to do the trick, but amps
> that use vacuum
> tube power supply rectifiers inherently have slow
> turn-on while the
> rectifier filament heats up.
> Bob Stern
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