[Elecraft] K3/P3/expert 1.3KA

[Igor Sokolov]

Bob, I think you are right. Your tuner is defective. There are two more 
owners of 1.3k-FA  live next to me . None of us has no issues. Tuners 
work well up to 3 :1 SWR and beyond that if you tune them manually. I 
have inverted L for 80m band and with tuner I can cover from 3.5 to 3.8 
even though SWR is up to 5:1 some frequencies.


73, Igor UA9CDC


21.01.2017 22:00, Chortek Bob пишет:
> I've got the 1.3K with the internal tuner and am very dissatisfied 
> with the capability of the tuner. If I had it to do over again, I 
> would would get the amp WITHOUT the internal tuner. It won't tune 
> certain loads (e.g my beam on the low end of 20 where the SWR is only 
> 2.1/! and on 30 meters with my vertical (same situation), and I also 
> find it there are many occasions where it won't tune down to a 1:1 or 
> close, but stays up around 1.6 which is about the limit the amp will 
> tolerate.  The tuner REALLY needs some work - but then maybe my tuner 
> is defective.  BTW, my KAT 500 had no trouble matching ANY of these 
> conditions.
>
> 73,
>
> Bob/AA6VB
>
>
> ------------------------------------------------------------------------
> *From:* Igor Sokolov <ua9cdc at gmail.com>
> *To:* elecraft at mailman.qth.net
> *Sent:* Thursday, January 19, 2017 9:44 PM
> *Subject:* Re: [Elecraft] K3/P3/expert 1.3KA
>
> Not all of Expert 1.3 are sold with internal antenna tuner. There are
> amps without it. If I were in Jerry's situation I would purchase
> internal antenna tuner from Expert for the sake of integration and speed.
>
> 73, Igor UA9CDC
>
>
> 20.01.2017 3:20, Jim Brown пишет:
> > On Thu,1/19/2017 1:59 PM, Jerry Muller via Elecraft wrote:
> >> I am  looking
> >> for a Antenna Tuner. I have selected a Palstar HF Auto.
> >
> > Why an automatic tuner?  The amp has an auto-tuner, and the two are
> > unlikely to play well together. Instead, I'd look at a good manual
> > tuner like the Ten Tec 238. I've owned several of them and find them
> > to be good performers. So did ARRL Labs when they tested them many
> > years ago.
> >
> > Ten Tec has been sold a couple of times and new 238s are probably no
> > longer available, but used 238s are usually available on the used
> > market. Best bet are the B and C models, which have a vernier readout
> > for the inductor, as opposed to a dial cord in the older models.
> > Expect to pay about $400 for the B or C, $300-350 for the older
> > units.  The 229 is electrically and mechanically the same as the older
> > 238s, but in a cabinet that matches older Ten Tec rigs.
> >
> > To use this tuner in your station, set the SPE to bypass mode, tune it
> > for the bands where you operate and log the settings. Then put the SPE
> > tuner back in line in auto mode and let the auto tuner do its thing to
> > cover the band(s) as you QSY.
> >
> > 73, Jim K9YC
> >
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