Jerry ... In either of the failures, were you controlling transceiver output through ALC or, as it sounds, manually?
73, Kent K9ZTV > On Sep 18, 2021, at 8:48 PM, Jerry Kirshenbaum <[email protected]> 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:[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]

