I tried the Koss SB45 and hated it. It sat on top of my ears instead of around them, unlike the CM500. Very uncomfortable. I returned them and got a new CM500 headset. Here is a blog post comparing the two.
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/> On the cheap side, because we are hams, the Koss CS100 looks like it should work fine for $15 (dual plug model). https://www.amazon.com/Koss-CS100-Recognition-Computer-Headset/dp/B00C121ZOK?th=1 <https://www.amazon.com/Koss-CS100-Recognition-Computer-Headset/dp/B00C121ZOK?th=1> Amazon says “dynamic element”, but Koss says it is an electret mic. https://koss.com/products/cs100 <https://koss.com/products/cs100> wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ <http://observer.wunderwood.org/> (my blog) > On Nov 2, 2022, at 7:46 AM, Pete Smith N4ZR <pete.n...@gmail.com > <mailto:pete.n...@gmail.com>> wrote: > > The Koss SB45 has been tested by several CM500 users, alarmed by the > potential loss of supply. Works FB! > > 73, Pete N4ZR > Check out the new Reverse Beacon Network > web server at<https://reversebeacon.net <https://reversebeacon.net/>>. > For spots, please use your favorite > "retail" DX cluster. > > On 11/2/2022 10:43 AM, k...@comcast.net <mailto:k...@comcast.net> wrote: >> Not sure about the manufacturing aspect but still available from amazon, >> sweetwater, etc. >> Hank / KR7X >> >> -----Original Message----- >> From:elecraft-boun...@mailman.qth.net >> <mailto:elecraft-boun...@mailman.qth.net> <elecraft-boun...@mailman.qth.net >> <mailto:elecraft-boun...@mailman.qth.net>> On >> Behalf ofj...@kk9a.com <mailto:ofj...@kk9a.com> >> Sent: Tuesday, November 1, 2022 9:57 PM >> To:elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net> >> Subject: Re: [Elecraft] Recommendation for Microphone for K3s? >> >> Is the Yamaha CM500 still being manufactured? >> >> John KK9A >> >> >> Rick NK7I wrote: >> >> They're nothing special; you can dial in equalization just as well in the >> K3S. I bought the Heil with my K3 and quickly gave up on them. >> >> The Yamaha CM500 plugs into the rear (with bias) and the headphones are >> comfy for hours, without spending a lot (by comparison, you can get a few >> for the cost of one Heil). They block most of the noise in my shack. I >> keep a couple spares as the foam covers do wear out. >> >> If you need to block of lot of shack noise, there are other options, most >> are expensive. >> >> A search of the archives is recommended, this topic has been covered many >> times before. >> >> 73, >> Rick nk7i >> >> ______________________________________________________________ >> Elecraft mailing list >> Home:http://mailman.qth.net/mailman/listinfo/elecraft >> <http://mailman.qth.net/mailman/listinfo/elecraft> >> Help:http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> >> Post:mailto:Elecraft@mailman.qth.net <mailto:Elecraft@mailman.qth.net> >> >> This list hosted by:http://www.qsl.net <http://www.qsl.net/> >> Please help support this email list:http://www.qsl.net/donate.html >> <http://www.qsl.net/donate.html> Message >> delivered tok...@comcast.net <mailto:tok...@comcast.net> >> ______________________________________________________________ >> Elecraft mailing list >> Home:http://mailman.qth.net/mailman/listinfo/elecraft >> <http://mailman.qth.net/mailman/listinfo/elecraft> >> Help:http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> >> Post:mailto:Elecraft@mailman.qth.net <mailto:Elecraft@mailman.qth.net> >> >> This list hosted by:http://www.qsl.net <http://www.qsl.net/> >> Please help support this email list:http://www.qsl.net/donate.html >> <http://www.qsl.net/donate.html> >> Message delivered topete.n...@gmail.com <mailto:topete.n...@gmail.com> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > <http://mailman.qth.net/mailman/listinfo/elecraft> > Help: http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> > Post: mailto:Elecraft@mailman.qth.net <mailto:Elecraft@mailman.qth.net> > > This list hosted by: http://www.qsl.net <http://www.qsl.net/> > Please help support this email list: http://www.qsl.net/donate.html > <http://www.qsl.net/donate.html> > Message delivered to wun...@wunderwood.org <mailto:wun...@wunderwood.org> ______________________________________________________________ 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