[Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Nr4c]

If yuh ou use a TRS plug, don’t use the “ring” for anything. 

Extending the pin 1 wire out of the connector and connecting to the radio “Ground” lug is also tecvonended in some circles. 

Sent from my iPhone
...nr4c. bill


> On Jun 9, 2020, at 4:51 PM, Tony <dxdx at optonline.net> wrote:
> 
> All:
> 
> I have a follow-up question regarding balanced mics and unbalanced connections. I'm about to connect a balanced dynamic microphone (Heil PR-781) to the rear mic input on my K3S which has a 1/8" unbalanced mono connection.
> 
> One recommendation was to connect XLR pin #2 mic (+) to the tip of the 1/8" jack and pin #3 mic (-) to the sleeve. In this case, pin #1 or ground is left floating with no connection. A 1/8" mono jack was recommended for this setup.
> 
> The other recommendation was to connect pin #2 to the tip and pin #1 and #3 to the sleeve of the 1/8" jack. It was also suggested that I can use either a 1/8" mono or a stereo TRS jack in both cases.
> 
> So which is correct?
> 
> Tony -K2MO
> 
> 
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