[Elecraft] KPA500

[Irwin Darack]

I would be interested if Elecraft has any recommendations on their
experience. I have used the KPA500 in one RTTY Contest at around 350w. When
in a Run Mode (CQ'ing) the amp heats up pretty fast and the fan runs at a
high speed continuously.

Thanks, Irwin KD3TB

On Sunday, June 23, 2013, wrote:

> On Sun, 23 Jun 2013 11:33:53 +0200, Arie Kleingeld PA3A wrote:
>
> > Running 330W output in RTTY, 50% duty cycle.
> > SWR is OK: 1 : 1.1 or so.
> > Ambiant temp = 25C
> >
> > Fan runs at speed 4, occasionally 5
> > PA TMP hovers between 65 and 70 C
>
> I'm guessing would be fairly normal.  I sure wouldn't run it that heavy on
> a 50%
> duty-cycle operation (even if the factory says you can).  I just don't like
> running things hot.  Mine hits full 747 turbine mode pretty easily.
>
> Gary
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-- 
Irwin KD3TB