[Elecraft] bad audio at K4XU

[Bob McGraw K4TAX]

I suggest you use the K3 utility and run a full power calibration. This does require a known good 50 ohm dummy load.  If the problem persists, then I suspect failure of the LPA and/or the KPA3 stages. Contact Elecraft support. 

Bob, K4TAX


Sent from my iPhone

> On Dec 7, 2018, at 1:02 PM, Dick Frey <k4xu.1268 at gmail.com> wrote:
> 
> Okay, I need to be more specific about my "bad audio".. The audio is raspy,
> like it has rf in it. It is independent of frequency, power, mic type,
> recorded or not, Hi or Lo mic gain setting, and mic drive level.
> 
> The only other issue I have is that the low power carrier is 5W when the
> PWR is set at 12W and jumps to 15W when PWR is set to 13W. It is 100W at
> the 100W setting.
> 
> Perhaps the two issues are related.  CW operation is unaffected.
> -- 
> Dick - K4XU
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