[Elecraft] KPA500 Clicking Noise

[Dana Roode K6NR]

Thanks for the suggestion to search for other discussions of this, hadn't
occurred to me.  I did some searches and everything I read suggests the
clicking is harmless.  Elecraft can supply a new "Z bracket" to correct the
problem.  It's even mentioned in the manual it turns out.

Am I missing something?

  dana

On Mon, Sep 20, 2021 at 3:42 PM Andy Durbin <a.durbin at msn.com> wrote:

> "but after it warms up - 40 degrees C or so - I start to hear a faint
> clicking noise."
>
> You should stop using it.  There is clearly something seriously wrong.
> All KPA500 should make a loud, not faint, clicking noise as they heat and
> cool.
>
> (I suppose I shall have to explain that much has been written about KPA500
> clicks and the attempts to fix this irritation. Try a search of the
> archives as discussion of this topic is likely to be cut off short.)
>
> 73,
> Andy, k3wyc
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