[Elecraft] K3: my audio information

Bob McGraw K4TAX rmcgraw at blomand.net
Tue Jun 5 09:24:51 EDT 2018


Yes, yes and yes.   Attenuation is always preferred over boost. This 
applies to both receive and transmit.

73

Bob, K4TAX



On 6/5/2018 6:52 AM, Joe Subich, W4TV wrote:
> On 2018-06-05 5:21 AM, Bill wrote:
>
> >      RX EQ         1        -2
> >                    2         0
> >                    3        +9
> >                    4        +12
> >                    5        +11
> >                    6        +14
> >                    7        +7
> >                    8        -16
>
> Elecraft *strongly discourage* significant boost (+) settings in
> RX EQ as doing so can cause overdrive and distortion in the audio
> amplifier.
>
> One would be better served to reduce each band by 10 to 13 dB.
> The results would be very similar without the audio distortion
> issues.
>
> >      Shift -        1.25
> >      Width -        2.7
>
> This combination actually results in a passband of 0 Hz (-100Hz)
> to to 2600 Hz (Shift + Width/2).  Better results would be obtained
> with FL=100, FH=2700 (or FC=1.40, BW=2600).
>
> 73,
>
>    ... Joe, W4TV




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