[Elecraft] KX3: Cleaner audio with Yamaha CM500, also PTT

[Walter Underwood]

I got a quick response from David Anderson, GM4JJJ, that the Koss SB40 has a dynamic mic. Looking at the specs at B&H Photo, I agree.

I’ve updated the blog post.

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

On Aug 16, 2015, at 1:47 PM, Walter Underwood <wunder at wunderwood.org> wrote:

> Finally got around to writing up my simple hack for cleaner mic bias with the KX3 and Yamaha CM500. Along the way, I spotted something that will make all us cheap hams happy. It looks like the Koss SB40 ($25) is the same headset as the Yamaha CM500 ($55).
> 
> But we really care about the better audio quality, right?
> 
> Also, this makes it easy to have a separate PTT hand switch or foot switch.
> 
> http://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/
> 
> wunder
> K6WRU
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
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