[Elecraft] power supply

Fri Nov 1 01:00:01 2002

I don't have any of those supplies but I do have an MFJ 4225 which I
am sort of happy with but there are a couple of things that bother me.
    1 - RF HASH, it is almost true that there is no hash but if you
have a K2 with the internal battery, try turning on the rig with the
MFJ supply and the battery turned on.  Listen closely and turn off the
MFJ.  If I do that, I definitely hear the noise level fall.  The
difference is more pronounced without an antenna.
    2 - FAN NOISE, I find that the 4225's fan is loud enough to be
distracting.  I have been thinking about placing a diode or two in
series with the 12 volts that runs the fan to slow it down a tad.

John
K7SVV
[email protected]
K1 #1378, K2 #2569, SST 20, Rock Mite 20, Nor'Easter

----- Original Message -----
From: "Jeff Burns" <[email protected]>
To: "elecraft_list" <[email protected]>
Sent: Thursday, October 31, 2002 8:46 PM
Subject: [Elecraft] power supply


> I am comparing the MFJ 4125 power supply to the Samlex SEC-1223 and
the
> Astrom SS-25. Any helpful comments would be appreciated. This will
be used
> to power a K2/100 eventually.
>
> Jeff Burns
>
> AD9T
>
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