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 <[email protected]> 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 > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

