[Elecraft] RFI in audio chain

[Bob McGraw - K4TAX]

And if you happen to have the connector(s) that do not have a dedicated 
ground terminal, then connect the shield and white wire to pin #1, at 
the radio end of the cable and leave the shield floating or not 
connected at the mike end.

73
Bob, K4TAX

On 11/22/2015 8:20 PM, Bob McGraw - K4TAX wrote:
> Oh but it is.  There is pin #1, pin #2 and pin #3 plus a ground 
> terminal.  The cable between the mike and radio should be 3 conductor 
> shielded.  Thus  - Red, Black, White and shield.  And the shield 
> should be connected at one end only, preferably the signal receiving 
> end or mike connector at the radio.  That way, there is no current 
> flowing on the shield.
>
> 73
> Bob, K4TAX
>
> On 11/22/2015 8:07 PM, Bill wrote:
>> Make sure your mic wire's shield is properly grounded (both ends) - 
>> remember, XLR was not designed for RF use.