I stand corrected. you are right. Sorry. Thanks for the suggestion on the black tape idea. > Date: Sat, 14 Aug 2010 15:25:00 -0500 > From: wrmoor...@gmail.com > To: notforc...@hotmail.com > CC: elecraft@mailman.qth.net > Subject: Re: [Elecraft] [K3] Speaker buzz > > As far as I know, those are shipped with the 2nd rx option, which I > don't have. > > The Smiths wrote: > > Didn't you get the little foam doughnut that sticks to the back side > > of the speaker? This is there to do exactly what you are describing. > > If not, you should order one from Elecraft. > > > > > Date: Sat, 14 Aug 2010 10:44:54 -0500 > > > From: wrmoor...@gmail.com > > > To: elecraft@mailman.qth.net > > > Subject: [Elecraft] [K3] Speaker buzz > > > > > > Just completed my third K3/100 build (this one is actually mine!), and > > > like the other 2, this one had a speaker buzz (not heard through > > > headphones) at audio frequencies around 300 hz on CW, but this one > > > seemed worse. I fixed it by: > > > > > > 1. Lining the lip and inside of the speaker shield with one layer of 3M > > > electrical tape. This removed ~80% of the buzz. > > > 2. Putting a 1" long piece of same tape over the middle of the top edge > > > of both sides of the KPA3 module shield. This put tape between the top > > > edge of the shield and the top cover of the K3. This removed the > > > remainder of the buzz, and I now have clean CW tones through the > > speaker! > > > > > > 73, > > > Randy, KS4L > > > ______________________________________________________________ > > > 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 ______________________________________________________________ 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
