True, Ron, but there are several inches of metal between the screws. Randy On Oct 22, 2015 11:43 AM, "Ron D'Eau Claire" <[email protected]> wrote:
> Are all the top screws in place, including the chassis stiffener bar that > is mounted on the KPA3 shield and attaches to the top with three screws? > > When assembled, there are no "vertical metal pieces that contact the top" > that are not secured by screws. > > 73, Ron AC7AC > > -----Original Message----- > From: Elecraft [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Thursday, October 22, 2015 8:56 AM > To: 'Randy Moore'; [email protected] > Cc: [email protected] > Subject: Re: [Elecraft] K3S speaker vibration/whine > > Outstanding!! I’ll try that. I don’t listen to my rig often over the > speaker as I have some different hearing losses in each ear. > > <snip> > > Jerry, > > I have this buzzing in my K3, and have heard it in some (not all) of the > K3s I have built for friends. I have found that most of it comes from > vibration between the case top and the vertical metal pieces that contact > the top. If that's what you're hearing, you can minimize it by putting some > vinyl tape over the tops of the metal pieces. In each case I've seen, the > buzzing is worst around 400 Hz, near my favored CW sidetone frequency! > > 73, > > Randy, KS4L > > </snip> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
