[Amps] Henry 2K-4 Failure

[Adrian]

Surely a meter, ohm checking the pin resistance between the cathode and 
grid will identify the problem tube ?

Unless the short only occurs when hot.


Adrian Fewster

vk4tux

On 19/3/20 6:45 am, Mark - N5OT wrote:
> Thanks ALL!
>
> I'll swap in a different set of tubes to confirm or rule out that it's 
> one of the tubes.  Then if it is a tube, I'll do them one at time to 
> figure out which tube it is.
>
> Thanks for all the great answers.  A bunch of "it's probably a tube" 
> then a couple outlier answers for if it turns out to not be a tube :-)
>
> 73 - Mark N5OT
>
>