Yes, my KPA500 has been doing the same. Whenever I mention it here on the reflector, I get zero response. I cannot tell whether this is a problem or something that is normal. The pops are very frequent regardless of mode. Otherwise, the amp appears to function normally.
Dave, N4QS ----- Original Message ----- From: "Joe Word" <joe.n...@gmail.com> To: <elecraft@mailman.qth.net> Sent: Thursday, December 08, 2011 11:37 AM Subject: [Elecraft] KPA500 Heat Expansion Pop > My KPA500 has developed a heat expansion pop. When it heats up and > then cools down I get a pop from inside the amp. It does this now > every time I make a SSB transmission. > > Anyone else experience this? If so, any resolution? > > Joe N9VX > ______________________________________________________________ > 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