Does Expert publish a list of radios they will not warranty their amp on? Mike va3mw
> On Sep 18, 2021, at 10:16 PM, Jim Brown <j...@audiosystemsgroup.com> wrote: > > For a long time, W8JI, who has designed ham power amps, has observed that > some JA rigs have this problem. And for a long time, the mfrs have failed to > fix them. Just like they have taken decades to fix clicks, and at least one > (Yaesu) has been building rigs with lots of splatter on SSB. > > 73, Jim K9YC > >> On 9/18/2021 6:46 PM, Jerry Kirshenbaum wrote: >> re: it'd pay to review the SPE >> In May 2021 I bought a SPE 1.5K-FA 2nd generator new from the distributor in >> Texas. I’ve been using a SunSDR2 DX 100W transceiver while I wait to receive >> my K4D. The 1st time the finals blew may have been operator error. >> Subsequently, I discovered that the software allows one to limit the power >> on each band. So I set the SPE to mid power (it has low, mid, high settings) >> and determined the correct output for 700-800W. That left at least 20% head >> room. Despite this seem lying failsafe procedure, the finals blew again. >> The distributor would not cover this under warranty on the grounds that my >> radio has spurious spikes which blew the finals. In fact, if you run the >> “wrong” radio with this amp, you don’t have any warranty because the radio >> is indicted as the cause of failure sight unseen. >> The amp when it works is wonderful. One case, 24 lbs, very quiet. I had >> everything linked together with my SteppIR DB18E through DxLab. >> Two times back to the distributor for repair in 3 months was enough. I sold >> it and now have a KPA1500 which is working great. >> BTW, the distributor also says the IC-7300 (my backup) has spurious spikes >> as well and presumably is another transceiver not covered under their >> warranty. >> 73, Jerry / K0ES >> ______________________________________________________________ >> 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 j...@audiosystemsgroup.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 va...@portcredit.net ______________________________________________________________ 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