Instructions are here. Doesn’t look difficult. https://ftp.elecraft.com/KX3/Mod%20Notes%20Alerts/E740254%20KX3HSMDKT%20Heat%20Sink%20Installation%20rev%20B.pdf <https://ftp.elecraft.com/KX3/Mod%20Notes%20Alerts/E740254%20KX3HSMDKT%20Heat%20Sink%20Installation%20rev%20B.pdf>
wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Jun 13, 2022, at 7:36 PM, Eric Norris <[email protected]> wrote: > > How difficult is it to install the later factory heatsink on an early KX3? > > 73 Eric WD6DBM > > On Mon, Jun 13, 2022, 5:20 PM Don Wilhelm <[email protected]> wrote: > >> Bill, >> >> If you run 12 watts on AM, FM and digital then the supplied heatsink >> (assuming it is the newer heatsink the wraps around the bottom of the >> KX3) then it should be adequate. >> If you want to run the full 15 watts on those modes, I would suggest >> adding the Pro Audio Engineering heatsink for additional cooling of the PA. >> >> Early versions of the heatsink had only a plate on the back which was >> adequate for 12 watts on low duty cycle operation - Tx for 2 minutes and >> then a RX period of about 3 minutes or more. >> >> The KX3 will protect itself by reducing power if it gets too hot. >> >> 73, >> Don W3FPR >> ______________________________________________________________ >> 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] ______________________________________________________________ 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]
