[Elecraft] Reliable DC Power Supply for K3/P3

[Fred Smith]

I have 2 70 amp supplies a VS and a RS and a RS-12 plus a Samlex 1223/1235M
also an MFJ QRP supply for the FT-817 that is used on the road with my KX3.




73,
Fred/N0AZZ
K3 Ser # 6730--KX3 # 5210--K2/100 # 6470-KAT100
P3/SVGA--KAT500--W2
Amps Elecraft KPA500 HF/6m--Alpha's 9500 HF--87A HF--Mirage B-5030-G
300+w--(2) B-5016-G's 165w 2m




-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Josh Fiden
Sent: Tuesday, November 19, 2013 12:15 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Reliable DC Power Supply for K3/P3

Hi Bob,

Just a note because the RS-50 is a real tank (heavy). I use 2x SS-30M which
power 5 high current devices (K3/P3, TS790A, IC910H and 2 brick amps). Each
power supply is only capable of powering one of these devices during
transmit, but since I don't transmit on multiple radios concurrently, that's
not a problem.

So, unless you need to transmit on the K3 and VHF radio at the same time,
you can get by with a smaller/lighter/cheaper supply. Of course nothing
wrong with overhead and room for expansion!

73,
Josh W6XU

On 11/19/2013 9:54 AM, Robert Nobis wrote:
> Everyone,
>
> Thank you. It looks like using an Astron supply is the way to go.  I 
> will probably go with the RS-50, as I also have a Yaesu 2M/70cm rig to
power.
>
> Incidentally, this mailing list was one of the major reasons why I 
> decided to get the Elecraft K3/P3 instead of competing products made 
> in Japan. I have found the members of this list quick to respond to 
> questions from others, with great answers.
>
> Again, thank you.
>
> 73,
>
>
> Bob - N7RJN
>
>
>
> On 11/19/13, 7:35 AM, "Robert Nobis" <N7RJN at nobis.net> wrote:
>
>> I m about ready to place an order for a K3 and P3, and wonder if 
>> there are recommendations on a reliable DC power supply for the 
>> Elecraft 100-W transceiver.
>>
>> 73,
>>
>> Bob  - N7RJN
>>
>>
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