[Elecraft] Yama CM-500 Replacement

[Walter Underwood]

I’ve heard good things about the Koss SB-45. It has an electret mic and is about half the cost of the CM-500, at $25. I have not used the SB-45.

https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW

I would not get the Koss SB-40. That looks like the Yamaha, but has a dynamic mic that has gotten some bad reports.

A while back, I took a close look at the mic plug on my Yamaha CM-500 headset. It is labeled “Koss”.

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

> On Jan 8, 2019, at 7:00 PM, James Bennett via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> Sad to say, but my trusty old CM-500 headphones with boom mic finally bit the dust. The ear pads had started rotting away, leaving me with black pieces of gunk on my ears after every on-air session. Tried replacing the pads with a set of Koss pads but they simply were too small and I wound up breaking off the connectors going to the speakers. Life is too short to spend any more time messing with them, so it’s time to look for a replacement.
> 
> I’d like to hear from others who are using a similar type of headphone/mic combo - one that is a direct plug-in to the back of a K3 like the Yamaha CM-500. If Yamaha would offer replacement parts to their users I’d consider getting another CM-500, but they don’t and I’m not inclined to buy something again that cannot easily be repaired.
> 
> Suggestions…?
> 
> Jim / w6JHB
> 
> 
> 
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