[Elecraft] K3 SSB complaints I am getting

Gary Smith Gary at ka1j.com
Sat Mar 23 23:01:58 EDT 2013


Don,

I don't know how to find that bias setting. I apparently am not as 
good as I used to be when it comes to finding uncommon details.

There are other things I'm not as good at any more but that's another 
discussion.

:)

Gary KA1J

> Gary,
> 
> You should not have mic bias set on for that microphone element and
> since that is a low output element, the mic gain range should be set
> to 
> high (FP.H. if you are connecting to the Front panel jack, otherwise
> RP.H).
> 
> To set up the mic gain, put the K3 into TX TEST and initially set
> the 
> mic compression to zero.  Then adjust the mic gain to produce 5 to 7
> bars on the ALC display.  After than, set the compression as you
> desire 
> (listening with headphones to the monitor may help you determine the
> correct setting).
> 
> You may try doing the Reference Oscillator calibration.  Strange and
> unrelated as it may seem, I have seen that clean up distorted SSB
> signals.
> 
> 73,
> Don W3FPR
> 
> On 3/23/2013 8:24 PM, Gary Smith wrote:
> > @ Jay,
> >> Review the MIC CONFIG settings and maybe your TX equalizers
> > settings
> >
> > Never used them but just looked at the Tx EQ and it is flat @ 0.
> > Mic select is front panel, MIC+LIN is off
> >
> > @ Bill, Mic is an old Heil HM-5 desk mic & the element is an old
> Heil
> > HC-4. Nothing plugged into the audio jacks except my Bose QC15
> > headset is in the phone jack. The element only has two
> connections, I
> > haven't set bias anywhere. Maybe I should experiment with the
> bias
> > settings but I don't see that in the menu or config options.
> >
> >
> 
> 





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