[VHFcontesting] Switching Power Supplies (opinions)

John Geiger johngeig at yahoo.com
Sat Sep 25 13:51:45 EDT 2004

Hi Rusty,

I had a Diamond switcher for a little while, and it is
a pretty nice supply, especially with the cigarette
lighter adaptor and front binding posts, which come in
handy for accessories.  The best for price and space
would be the Astron SS30, which I had for several
years, and never had a bit of trouble with it.  It is
rated at 25 amps continuous and 30 amps intermittent,
so your Mirage and Icom should do OK on it for SSB or
CW.  Might put it a little hard if you are doing WSJT
or FM with it.  It is a good deal smaller than the MFJ
or Diamond, but then you don't get meters, Adjustable
voltage (never used that anyway), or multiple outputs
on it.  You get 1 set of binding posts and that it is.
 I am currently using a Samlex which is also nice, but
not enough power for you, and I will probably be
trading it for something with a little higher current
soon to get back into WSJT myself.

Good luck on your decision.

73s JOhn NE0P

--- Rusty Boling <ae4bk at yahoo.com> wrote:

> Anyone out there running a switching supply with a
> 160W brick and a rig on the same supply?  Have been
> running an IC-271A (20W) and a Mirage B1016 (160W)
> for about 8 years now and my 35A Pyramid supply has
> finally died.  The amp and rig never pushed the PS
> all the way.  I have read review after review on
> different PS's on www.eham.net and still can't
> decide what I need to do exactly.  Seems there are
> so many variations in reviews.  Just trying to see
> if any of you are running a switcher and if you are
> having any problems at all.  Right now just for the
> reason of the "no matter what warranty", multiple
> terminals, and a good local dealer I am leaning
> towards the 40A MFJ.  The Diamond 40A looks ok, the
> Diawa has good reports but only 1 set of binding
> posts and is 30A, and then there is the Astron which
> is 25A too.  I don't know that the Astron has quite
> strong enough.  I think my amp and rig together pull
> about 27A an that is not counting any other
> accessories.  Any good reports
>   on any
>  of the supplies mentioned?  Don't get me wrong, I
> like the regular old regulated supplies with large
> transformers just like the Pyramid that I have but I
> could use some more deskspace and something lighter
> for mountain-topping since my old supply finally
> gave up the ghost anyway.  Rusty Boling  NE4ME 
> formerly AE4BK
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