[Elecraft] Hum on KPA1500

[David Gilbert]

You'd probably get more useful replies if you mentioned whether the hum 
was in your transmitted signal or was audio hum in the shack.

Dave  AB7E


On 4/5/2020 1:50 PM, Carl Yaffey wrote:
> I have developed a loud hum with the KPA1500 on 17m and 15m. A slight hum on 20m. All other bands, no hum.
> It’s power dependent. Loud at full power, hum reduces as power is lowered. Not too bad at 500w.
> Suggestions?
> 73.
>
> Carl, K8NU.