OK, it's the base K2, and the loudest "pop" happens when switching from VFO B to VFO A on 15M.
Sorry, I should have waited 5 minutes before sending the last email... Thanks. Jim -----Forwarded Message----- >From: Jim KO5V <[email protected]> >Sent: Jun 30, 2019 2:59 PM >To: Elecraft List <[email protected]> >Subject: Fw: K2: "Pop" when switching certain bands > >I forgot to mention that the K2 is connected to my KPA100, so I'll recheck it >without the amp. > >73, Jim KO5V > >-----Forwarded Message----- >>From: Jim KO5V <[email protected]> >>Sent: Jun 30, 2019 2:55 PM >>To: Elecraft List <[email protected]> >>Subject: K2: "Pop" when switching certain bands >> >>Good Afternoon, >> >>Today I noticed a "pop" on the audio of my K2 when I changed in and out 15M, >>so I checked the switching on all bands: >> >>When changing from 15M to 12M or 17M it is fairly loud. Changing from 12M or >>17M to 15M causes a fainter "pop". A much more attenuated "pop" happens when >>changing from 14M to 10M, and also from 10M back to 14m. >> >>Also, on 15M, when changing from VFO B to VFO A I hear a loud "pop", but it >>does not happen going from A to B. >> >>The fainter "pops" might have always been there, but the ones on 15M are loud >>enough to cause the clip light on my DSP to turn red. >> >>I wonder if it has something to do with diodes across relays, or the relays >>themselves. >> >>Any more ideas? Thanks in advance. >> >>73, Jim KO5V >> ______________________________________________________________ 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]

