KX2 manual, page 27: "5.0 watts or lower is recommended in all data modes. The KX2 will reduce power, if necessary, to maintain a safe operating temperature."
wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Mar 26, 2020, at 10:45 PM, Joan via Elecraft <[email protected]> > wrote: > > The KX2 will automatically fold back its power (responding to temperature) to > prevent thermal runaway or damage to its finals > > That being said, it is routinely recommended that when running any 100% duty > cycle mode (e.g. typical digital text modes or FM Phone) one reduces RF > output to 50% of rated output > > 73 de KX2CW > Joan > > Darmok and Jalad at Tanagra, said Piglet. > Shaka, when the walls fell, said Pooh. > >> On Mar 26, 2020, at 18:09, Steve Anness <[email protected]> wrote: >> >> This question was posed last October by another on the reflector in regards >> to the KX3 but does not look like there was a response. I had posed the >> question once to Elecraft support and believe my email got lost in the >> fray. When I posted the question to Elecraft support it was a month after >> I received my KX2 and I was running 10 watts with it and it had gotten up >> to 61C which is what prompted the question. >> >> I have been running FT8 at around 5 watts recently and I see it getting up >> to 51C. >> >> At what point should I stop operating and let it cool down? I love my KX2 >> and don't want to damage it. I do know that these are used in fields by >> many so perhaps I am just being paranoid. >> >> 73 de KJ5T >> > ______________________________________________________________ > 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]
