David, The new heat sink roughly doubled key-down time in our lab tests. I’d suggest you try it as-is before investing in a third-party heat sink. I use RTTY at full power on my KX3 with just the new stock heat sink and have never had an issue.
73, Wayne N6KR > On Aug 4, 2017, at 2:08 PM, k1...@k1szo.com wrote: > > Hi Jim, > > I recently purchased my KX3 and intend on doing a lot of digital modes. I > looked into 3rd party heatsinks, but was notified that Elecraft uses a new > improved heatsink that wraps around the bottom of the KX3. > > So my question to you is, do you have the newer KX3 Elecraft heatsink or the > older model? I was going to work mine first to see how hot it gets before > making a move if the newer heatsink is acceptable. I can't find any reviews > of it. > > I will definitely be watching this thread to figure out if I too want to > purchase the 3rd party Pro Audio Engineering KX32 Ultimate Heatsink as a > replacement. > > Regards, > David ~ K1SZO > > On 2017-08-04 14:10, Jim Ruff via Elecraft wrote: >> I've been doing a lot of FT-8 using my KX3 and my KXPA100 at 20 watts, >> and have noticed that the KX3 is heating up quite a bit and is almost >> hot to the touch. The KXPA100, while warm, appears to be okay. >> Should I consider purchasing a heat sink for the the KX3? If so, what >> products in your opinion are the best? >> Thanks,JimW7JHR >> Sent from Yahoo Mail. Get the app >> ______________________________________________________________ >> 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 k1...@k1szo.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 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
