[Elecraft] my KPA1500 and 160M

[CUTTER DAVID]

Perhaps it's more to do with the common mode impedance that these transformers/choke present.  Is the 4:1 a true Guanella or a Ruthroff or ? 

David G3UNA

> On 02 September 2020 at 00:27 Rick NK7I <rick.nk7i at gmail.com> wrote:
> 
> 
> If you model it accurately, you see that a 4:1 transformer will cause most (other than 160M) to have a closer match; while on a few the 1:1 device will work better. 
> 
> If convenient, try each.  They each offer (dis)advantages. 
> 
> Rick NK7I
> 
> Email spiel Czech corruptions happen
> 
> > On Sep 1, 2020, at 3:26 PM, Steve Hall <99sunset at gmail.com> wrote:
> > 
> >  Additionally I find a 1:1 current balun
> > provides a better match than a 4:1.
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