[Amps] Henry 2K-4 Failure

[Mark - N5OT]

This is getting more and more exciting all the time.  Stay tuned.  So to 
speak.
73 - Mark N5OT

On 3/19/2020 5:45 PM, VE1DT wrote:
>
> Hey Jim & Mark,
>
> Stayed failed to me means that the sucker is welded.
>
> How do I know this for certain ,you ask? My new AL80B became 
> intermittent within the first few months after getting it. The grid 
> meter was pegged negative at the zero end. After a few more times, it 
> finally stayed failed. I pulled out the tube and measured a short on 
> the pins of the tube. Easy peasy. I had a VOM, but no spare tubes to 
> swap with.
>
> I am sure there are intermittent cases out there as well.
>
> --
>
> Gerald, VE1DT
>
> >/Grid to cathode short & ?stayed failed? means you just need an /
>
> >/ohmmeter. No need to swap tubes, etc./
>
> >
>
> >/Gerald, VE1DT/
>
> >
>
> ## Nope.  The  grid  to cathode  short  only  happens  with tube  fil
>
> lit..... not  when  cold.
>
> When cold,  both  a HI  pot  tester....  and  also  a megger wont  work
>
> either.
>
> Jim VE7RF
>