[Elecraft] K3s rear mic connector and shure SM58.

[Bob McGraw K4TAX]

No preamp required.  Set the Mike gain via the menu to high. Easy to 
wire the mike XLR to an unbalanced circuit.   Pin #1 & #3 to ground and 
Pin #2 to MIC high.  See page 55  of the manual [MIC SEL] for details.

If you close talk the mike it will be bottom end heavy. Typically no 
closer than 4" will be OK.  Move in closer and the bottom end comes up, 
back away and the bottom end falls off. This is due to the proximity 
effect of they type dynamic mike.

Otherwise, they sound quite good/.

73

Bob, K4TAX


On 10/3/2017 1:50 PM, Stewart wrote:
> Is anyone using a Shure SM58 mic with their K3s? If so are you using a 
> preamp? My O'scope shows that the mic and cable are good but level is 
> pretty low.
>
> I don't get anything with the mic connected to the rear mic jack. 
> Config is set to rp l , bias off. I tried mic gain from 0 - 100.
>
> K3s is new so I may be missing some menu item.
>
> Regards,
>
> Stew ke4yh
>
>
>
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