[Elecraft] Heil Proset & K3 Audio fixed, sort of.

[Brett Howard]

You could do an active filter w/ a BW limit....

On Mon, 2008-09-08 at 15:34 -0700, Paul Fletcher wrote:
> 
> 
> Jack Smith-6 wrote:
> > 
> > It suggests  that perhaps you were hearing the artifacts > 4 KHz, such 
> > as the 12 KHz with modulation sidebands or the one at 3.9 KHz. Maybe you 
> > were not hearing the artifacts directly but beats amongst them?
> > 
> 
> It's difficult to know. It's definitely high in frequency because I couldn't
> hear it in my right ear which has some HF loss (sadly don't have a
> calibration curve :-) ) Any ideas as to how this could be tracked down?
> 
> This needs a better fix though because of the overall attenuation the filter
> introduces.
> 
> 73
> Paul.