The latest firmware is required; it will allow you to use up to 15 W on 80-20 m (10 W elsewhere).
The upgraded heatsink is optional. On my lab KX3 I can put out 15 watts for several minutes before hitting the temperature limit, at which power is reduced by firmware. 73, Wayne N6KR On May 27, 2016, at 10:16 AM, Alan Geller via Elecraft <elecraft@mailman.qth.net> wrote: > The KX3 is now being positioned as the 15 watt big brother to the smaller KX2 > “up to 10 watts” version. The upper > limit on my KX3 power adjustment seems to have always been around 10.2 watts. > How does one safely achieve this > 15 watt performance? Does it require the new/upgrade heatsink plus a new > firmware version? I have always used an > approx. 14 Volt power source. > > I’m sure this has been addressed before but I don’t see the history…thanks > for any observations. > > alan/K6ADG > ______________________________________________________________ > 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 > Message delivered to n...@elecraft.com ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
