Re: KPA-1500 issues

Posted by K9MA on Nov 30, 2018; 4:38am
URL: http://elecraft.85.s1.nabble.com/KPA-1500-issues-tp7646571p7646664.html

That is exactly why it's important that the ATU of a solid state
amplifier maintain a low SWR.

Scott K9MA

On 11/29/2018 21:59, Victor Rosenthal 4X6GP wrote:

> There IS a reason to be fanatical about a 1:1 SWR, although it doesn't
> apply to an amp like the KPA1500.
>
> If you are running a tube amplifier that requires tuning, and the
> tuner always provides the identical load, you can tune the amplifier
> once, record the dial settings, and quickly reset the amplifier tuning
> "by the numbers" when you change bands.
>
> But even a small change in load impedance might require manual
> touch-up of the amp tuning. So it is nice to be able to preset the
> tuner exactly.

--
Scott  K9MA

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