[Elecraft] K3s rear mic connector and shure SM58.

[Bob McGraw K4TAX]

No transformer needed.  The gain settings on page 55 of the manual are 
sufficient for the SM 58.   Just wire it as an unbalanced output.   I 
use both the rear or front MIC inputs with no issues and a variety of 
different mikes.

73

Bob, K4TAX


On 10/4/2017 12:18 PM, Stewart wrote:
>
> OK here's what worked: I used a pre-amp, that was on hand, that has a 
> balanced XLR input and a TS jack output. The SM58 does need quite a 
> bit of gain to work but sounds good using the tx monitor.
> My SM58 has a switch so I set up to use VOX and the mic switch acts 
> kind of like a PTT (only temp).
> Amazon lists a Sescom AUD-XLR-RCA that seems to be nothing more than 
> an audio transformer that converts balanced  to unbalanced. Might be 
> just what is needed for higher output mics, such as some of the Heils.
> Thanks for the help and I hope this helps others who want to use the 
> rear jack on their K3s.
> Stew ke4yh
>
>
>
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