[Elecraft] [OT] Broken boom mic attachment on a CM-500

[Bill Coleman]

Jack,

I have BOTH the CM-500 and the SB-45, as well as a Heil Proset.

I like all three for different reasons. The CM-500 is comfortable, and has the best mic boom, it has an enormous output from the electret mic — nearly too much for my K3. I used it effectively with the K2. The SB-45 is very comfortable but has a flimsy mic boom that tends to wiggle when I move my head. I can wear it for hours.

The Heil Proset has the best frequency response in the headphones, and has an HC-4 element, which is unobtanium today. My problem with it is it hurt my ears after wearing it for an hour. 

I fixed that problem recently by buying some oversize earopads from Brainwavz. It is now just as comfortable as the CM-500 or SB-45.

> On Nov 1, 2020, at 5:31 PM, Jack Brindle via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> I bought a new CM-500 set on Amazon about two years ago. They feel great on my head and work wonderfully. 
> In May I decided to try the Koss SB-45. Price was good (about $30 from Amazon). They feel very similar to my Heil headset, meaning about the same as putting my head in a vise. Simply too tight on my head, especially for wearing them through a 48 hour contest. I went back to the CM-500s. I find it worth paying the $60 from Amazon to get these instead of something else.
> 
> 73!
> Jack, W6FB
> 
> 
>> On Nov 1, 2020, at 2:20 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
>> 
>> On 11/1/2020 2:12 PM, Bill Frantz wrote:
>>> What are the best replacement headsets these days. Someone said that the CM-500 has changed for the worse in the last few years.
>> 
>> Hi Bill,
>> 
>> The only issue I've ever had with the CM500 has been a bad cable, and it's happened at least twice. I'm pretty clutzy, so hard on headsets.
>> 
>> This piece I wrote for National Contest Journal several years ago includes model numbers a few Koss headsets that hams have liked. They're pretty much the same electrically.
>> 
>> http://k9yc.com/ContestAudio.pdf
>> 
>> 73, Jim K9YC
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Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
Web: http://boringhamradiopart.blogspot.com
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