[Elecraft] KPA100 and Audio Issue

[Bob McGraw K4TAX]

I’d say that 10 - 12 volts is too low. The supply should be 13.8 to 14.8.  

Bob, K4TAX


Sent from my iPhone

> On Apr 6, 2020, at 10:52 AM, Rich <rwnewbould at comcast.net> wrote:
> 
> I am having an issue with distorted audio once the KPA100 kicks in at about 10-12v.
> 
> The KPA100 is putting out 100 watts
> 
> I have re-calibrated the radio with no change.
> 
> I am testing with the hand mic and a dummy load.   Which should eliminate any external devices causing it
> 
> Any suggestions as to what can be causing this issue?
> 
> Thanks
> 
> Rich
> 
> K3RWN
> 
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