10:1 SWR at 500w equals the same internal antenna current and voltage in the tuner for about a 3:1 SWR at 1500W :-)
73, Eric --- www.elecraft.com On 2/24/2012 11:59 AM, Gary Ferdinand wrote: > >> -----Original Message----- >> From: [email protected] [mailto:elecraft- >> [email protected]] On Behalf Of Jim Brown >> Sent: Friday, February 24, 2012 12:59 PM >> To: [email protected] >> Subject: Re: [Elecraft] high-power tuner >> >> On 2/24/2012 8:57 AM, Gary Ferdinand wrote: >>> [The Palstar BT1500A] is not spec'd for 1500 continuous, so forget > RTTY/etc and beware full >>> power tune-ups. >> Few power amps are rated for1.5kW continuous. Yes, there are a few, >> like some Alpha models. Most are rated for 1.5kW intermittent duty, and >> should be de-rated by a few dB for keydown modes. > My mistake, I guess. I run an Alpha 9500. A true 1.5 kW tuner is important > to me at least. > >> The Ten Tec tuners I mentioned fall into that category too -- indeed, >> there are a few fixed caps that will release smoke when run at 1.5kW >> into some loads for long periods during a contest, but those caps are >> easily replaced with parts rated for more current, and the replacements >> are not expensive. > Good to hear. But if a tuner is advertised to handle 1500 W, it should do so > without user mods. > >> Folks should be more patient with Elecraft -- they are well known for >> taking enough time with engineering both at the design and manufacturing >> stage to produce a product we'll be happy to own, as Wayne's recent post >> in this thread clearly illustrates. > The original poster talked about 1500 W. Is Elecraft considering such a > tuner? That would be new (and great!) news to me. For some reason I was > under the assumption it would handle around 500 W. > > > > > ______________________________________________________________ > 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 ______________________________________________________________ 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
