[Elecraft] Heil Pro 7 headset with KX3 - RF feedback?

[Walter Underwood]

That happened to me with the Koss SB-45. The ear cups are smaller than those on the CM500, so they sat on my ears instead of around them. Really uncomfortable.

https://observer.wunderwood.org/2021/01/27/koss-sb-45-vs-yamaha-cm500/ <https://observer.wunderwood.org/2021/01/27/koss-sb-45-vs-yamaha-cm500/>

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

> On Jun 17, 2021, at 5:28 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
> On 6/17/2021 2:12 PM, Hank wrote:
>> I dislike my CM500’s. They are uncomfortable to wear for an extended period of time. 
> 
> That's a GREAT reason for not liking them. And comfort in headsets is a very individual thing -- all of us a built a bit differently. I had that experience when I tried on the very expensive aviation-style headsets which are being sold to hams, and which some guys find quite comfortable. And after a few years when I heard a local contester saying how comfy they were, I tried them on again at a hamfest, with the same result. :)
> 
> I do have RFI issues with them when running full power on HF SSB.
> 
> What makes you certain that either headset is related to the RFI issue? There are MANY mechanisms that can be the cause, especially failure to do proper bonding.
> 
> 73, Jim K9YC
> 
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