The mic bias is cleaner than the logic bias. It is also the right level. I got more mic output with the mic bias.
I got that info from Lyle, KK7P, on this list. He is credited in my blog post. Did you read that? I wrote it because I got tired of reexplaining it on this list. :-) https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/ Here is Kyle’s original e-mail about that. https://groups.yahoo.com/neo/groups/KX3/conversations/topics/9556 wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Nov 10, 2017, at 12:36 PM, Don Wilhelm <donw...@embarqmail.com> wrote: > > Walter, > > When using any computer type mic (the CM500 is wired like one), turn the MIC > BIAS off, the audio will be cleaner. The bias voltage then uses the residual > voltage that is developed on the ring connection. > The reason that works is because the computer mics have the tip and ring > connected together. > > On 11/10/2017 3:21 PM, Walter Underwood wrote: >> You can plug the CM500 mic straight in to the KX3. You need to disable the >> mic button and make sure mic bias is on. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
