[Elecraft] K3 on Order

Fri Jul 16 19:31:25 EDT 2010

I did not know about the Power-werx SS-30DV. I will look into this one as well.I 
would very much like a switching supply. Because I don't have a normal Ham 
shack. I use my home office as the radio room with not much room for radio's.

My concern for any Switching supply is the RFI noice that the radio will pick up 
from the power supply. Looking at the SEC 1235m, I was reading that it has a 
build in RFI filter. Plus I like the AD5X mod to slow down the fan. And the 
Alinco DM-340 MVT has a knob to change the freq. of the noise that the radio is 
picking up. I think that the DM-340 MVT is a bit over kill. I am only looking 
for a PS that will power the radio only.

Chris W7CTH

________________________________
From: Larry 'Rebar' Rebarchik - N6CCH <rebar at hamilton.com>
To: n4zr at contesting.com
Cc: Don Cunningham <wb5hak at martineer.net>; elecraft at mailman.qth.net; Chris 
Hembree <w7cth at yahoo.com>
Sent: Fri, July 16, 2010 8:52:51 AM
Subject: Re: [Elecraft] K3 on Order

You may also want to look at the solid-state PS from http://Power-werx.com
model=SS-30.
I picked up one in a raffle and it powers the K3 just fine with a very
small footprint, two power poles in the front and a pair of terminals in
the back.
I have not tried to use it to float charge a battery and the Mfg. was not
clear if it would work in this application.
It has a fan that makes some noise.

rebar

On Fri, 16 Jul 2010 06:07:53 -0400, Pete Smith <n4zr at contesting.com>
wrote:
> I got the Samlex 1235M, and have been very happy wioth it (the 35 amps 
> gives more than adequate headroom for the K3, without being silly).  The

> one drawback is the rather loud fan which comes on after heavy 
> transmitting, but AD5X has a modification (and an excellent review of 
> the PS) on his web site, which lets the fan run slowly almost all the 
> time, and the top speed only rarely.
> 
> 73, Pete N4ZR
> 
> The World Contest Station Database, updated daily at
> www.conteststations.com
> The Reverse Beacon Network at http://reversebeacon.net, blog at
> reversebeacon.blogspot.com,
> spots at telnet.reversebeacon.net, port 7000
> 
> 
> On 7/15/2010 6:58 PM, Don Cunningham wrote:
>> Hey, congratulations, Chris.  I know you will enjoy the rig.  I use an
>> Astron RS-50M with mine, but that's extreme overkill.  I just had it on
>> hand.  One of the Elecraft co-owners (memory doesn't tell me which)
uses
>> the
>> Samlex 1223 I believe.  I've looked at the 30 amp version of that, and
>> the
>> price is tempting, for sure, and I like the light weight instead of
this
>> 30
>> lb monster I have, hi.
>> 73,
>> Don, WB5HAK
>> ----- Original Message -----
>> From: "Chris Hembree"<w7cth at yahoo.com>
>> To:<elecraft at mailman.qth.net>
>> Sent: Thursday, July 15, 2010 5:39 PM
>> Subject: [Elecraft] K3 on Order
>>
>>
>>    
>>> Well I took the BIG plunge today, K3/100, 2.8 up Grade filter, FM
>>> filter,6m
>>> preamp.
>>> Any recommendation on a power supply?
>>>
>>> Chris W7CTH
>>>
>>>
>>>
>>>
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-- 
73 de N6CCH aka Rebar