carl s. escribió:
> Can anyone tell me if the 813 tube can be used safely in the horizontal
> position ???
> carl / kz5ca
>
>
Yes, I saw many work in that way, no problems; the filament must be in
the
vertical plane. And the socket pins must have good tension, because as a
somewhat long tube as it is, the valve tends to fall downward.
Maybe one can improvise a clamp (as for 572/811 ones) to hold it in place,
horizontal.
Best regards
Guillermo - LU8EYW.
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