Hi Ruben,
I have two Samlex SEC1223 PSU's, neither gives any "electric-noise".

They are fitted  with ferrite cores internally to remove interference.
I believe that early models of these PSU's did not have have them.

73
Stewart G3RXQ
On Tue, 02 Feb 2010 08:45:12 +0100, Ruben Navarro Huedo wrote:
> Hello friends:
> I am using a Samlex SEC1223 with my K3.
> I have some "electric-noise" on low bands (80 and 40 meters) and i think
> it comes from the power supply. I have been reading other friends with
> the same problem.
> I want test another one.
> What is your recomendation?
>
> Thank's a lot.


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