[Elecraft] K3 - NR and Rx equalisation

[W7TEA]

Thanks Stewart--that does make quite a difference.

73, Gary W7TEA


GW0ETF wrote:
> 
> For those who spend much time fretting about the
> efficacy of the K3's Noise Reduction system
> ('worse/better/different settings' since last
> update....) why not have a play with the Rx
> equalisation settings?
> 
> On cw with a 700Hz offset I find changing the 800Hz
> 'channel' has a marked effect on received audio
> without NR as you'd expect but the difference when the
> NR is engaged can be quite remarkable. I can vary this
> between seemingly attenuating the received audio
> somewhat to increasing it substantially as if an extra
> stage of AF amplification has been switched in.
> Presumably a few dB extra at the sidetone frequency is
> giving the NR more to work on....
> 
> I haven't tried phone but it obviously won't be so
> simple; trial and error I guess. 
> 
> 73,
> 
> Stewart Rolfe, GW0ETF (K3 #145 with all the latest)
> 
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