[Elecraft] KPA500 Clicks & Pops

[Dennis Moore]

I rarely hear anything from my KPA500-F. Serious question, I wonder if 
those with the kit experience more noise than those with factory 
assembled units?

Dennis NJ6G


On 10/14/2018 19:52, Bob McGraw K4TAX wrote:
> What is the recommended solution to stopping the clicks and pops from 
> the KPA500 as the amp heats during transmission and cools during 
> receive?  I've seen one that suggested replacing the screws in the Z 
> bracket with 4-40 x 1/4".    Any traction to this?
>
> The amp performs absolutely fantastic.  The clicks and pops are more 
> annoying when working high duty cycle modes.
>
> Thanks in advance.
>
> 73
>
> Bob, K4TAX
>
> KPA500 s/n 3519