[Elecraft] KPA500 voltage tap question

iain macdonnell - N6ML ar at dseven.org
Sat Sep 8 16:23:14 EDT 2012


On Sat, Sep 8, 2012 at 1:13 PM, Robert G. Strickland <rcrgs at verizon.net> wrote:
> Hello, all...
>
> I've just finished assembling my KPA500 and have a question about selecting the
> correct tap wire to set the operating voltage.
>
> My 220v line reads 231v no load, so I selected the yellow tap. The amp no load
> voltage is 71.7v. The transmitting voltage is 58v DC which is marginally low. If I
> select the red tap then I expect I'll be marginally high. If my choice is between
> marginally low and marginally high, which is the better choice? Thanks for comments.

Try the red tap. So long as the idle voltage is still under 85V, go with it.

73,

    ~iain / N6ML


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