Good point, Chuck, I understand and concur completely. 73, Carter, N3AO Blacksburg, VA
On Wed, Aug 21, 2019 at 8:55 AM hawley, charles j jr <[email protected]> wrote: > While it’s important to use quality components with high power for safety, > its also important to use quality components especially to minimize losses > with low power. Just sayin’ > > Chuck Jack Hawley > KE9UW > > Sent from my iPhone, cjack > > > On Aug 20, 2019, at 11:51 PM, Jack Brindle via Elecraft < > [email protected]> wrote: > > > > Carter; > > > > Welcome to the world of higher power. The information you have received > from others is very good. There is one other thing to watch for, it is > something that most hams who upgrade to higher power experience. When we > operate at low power, there are a lot of things we can get away with such > as relatively poor connectors, cheap coax and the like. When we add power, > things change, and many of these things start having problems. Things like > arcing across connectors (watch the elbows), whether at the antenna or > along the path, heating of components (low-power baluns are especially > bad), and many other things can give you fits. These will be noticed as > faults, either in the ATU or the KPA, and make you wonder what is going on. > > > > The answer is to use good quality components in your antenna path from > the ATU all the way to, and including the antenna. That will make the > system, including the KAT and the KPA much happier, and with it, your use > of it. > > > > As for the KPA500, it can indeed run at 120V quite well. Both of mine > (which includes the first prototype) have run that way for many years. Both > the KPA and the KAT monitor their environment extensively, and will report > issues if they see any problems with the antenna system, usually in the > form of high reflected power. Many hams use the units daily. We believe you > will enjoy them as well! > > > > If you have any questions, just ask! > > > > 73, > > Jack Brindle, W6FB > > Elecraft Engineering > > > >> On Aug 20, 2019, at 12:11 PM, Carter Craigie <[email protected]> > wrote: > >> > >> Hello friends, > >> > >> I am contemplating buying a KPA500 amplifier/tuner Combo, and driving it > >> from my Elecraft K2/100 rig. I hope I would be able to do that! > >> > >> From what I have read on eHam Reviews, it appears that I can run the > >> amp/tuner combo on 117v. from the convenient wall socket. Is that > correct, > >> as well? > >> > >> I cannot find any mention of the coax requirements, from the radio/combo > >> out to our 80-meter wire loop antenna. Right now, using only my K2/100 > I am > >> able to use 8X coax. > >> > >> Will I still be able to use that coax cable with up to 500 Watts output? > >> > >> What other considerations do I need to make? > >> > >> Thanks in advance, > >> > >> Carter Craigie, N3AO > >> Blacksburg, VA > >> > >> > >> -- > >> Carter, N3AO > >> Blacksburg, VA > >> ______________________________________________________________ > >> 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] > -- Carter, N3AO Blacksburg, VA ______________________________________________________________ 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]
