[Elecraft] Audio artifacts

[Lyle Johnson]

> When I turned the K3 on tonight with AFX on and wearing headphones I could
> hear some slight high frequency roughness on the audio as if there were a
> problem with the headphones being overdriven.  They were not, and are in
> fact an expensive pair of Sennheisers.
> 
> I turned the K3 off and then on again and they were still there. However the
> problem disappeared completely on adjusting the filter width and has not
> come back since.

Also, if SPKR+PH is ON and SPKRS =1, the forced combining of AFX outputs 
can cause this sort of effect.

73,

Lyle KK7P