Question for UK members (PSU and Amp)

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Question for UK members (PSU and Amp)

Vk2NU
I have a couple of queries that some UK members may be able to help me with
!!

I have seen on the web a 20amp Watson Power-mite switch-mode PSU available
in the UK. This looks a great size for use with my K2 on my travels, I just
wonder if anyone has used one with the K2 and if they have any comments
(i.e. any noise of RF problems)??

Also I’m seriously thinking of getting a Linear Amp UK Ranger 811K amp kit.
Again has anyone built one of these, and if so, any comments. I like the
idea of building the amp from a kit, and the Elecraft amps are out of my
price league.

Thanks

David, VK2NU

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Re: Question for UK members (PSU and Amp)

David Cutter
Don't have experience of the psu, but a friend built the amplifier quite easily.  He had some problems with low mains supply at another friend's QTH, but it worked fine from his home QTH.  I run the heaters of another Linear Amp from separate stab supply. The case is all steel making it robust but very heavy.  You should check whether these amplifiers comply with regulations.  Anything sold in Eu must be CE marked to show compliance with regs.    The low cost comes at a price IMHO.

David
G3UNA

>
> From: "David Douglass" <[hidden email]>
> Date: 2007/03/14 Wed AM 09:55:23 GMT
> To: <[hidden email]>
> Subject: [Elecraft] Question for UK members (PSU and Amp)
>
> I have a couple of queries that some UK members may be able to help me with
> !!
>
> I have seen on the web a 20amp Watson Power-mite switch-mode PSU available
> in the UK. This looks a great size for use with my K2 on my travels, I just
> wonder if anyone has used one with the K2 and if they have any comments
> (i.e. any noise of RF problems)??
>
> Also I?m seriously thinking of getting a Linear Amp UK Ranger 811K amp kit.
> Again has anyone built one of these, and if so, any comments. I like the
> idea of building the amp from a kit, and the Elecraft amps are out of my
> price league.
>
> Thanks
>
> David, VK2NU
>
> --
> No virus found in this outgoing message.
> Checked by AVG Free Edition.
> Version: 7.5.446 / Virus Database: 268.18.10/720 - Release Date: 12/03/2007
> 7:19 PM
>  
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>

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Re: Question for UK members (PSU and Amp)

Neill Taylor
In reply to this post by Vk2NU
At Wed, 14 Mar 2007 20:55:23 +1100,  David Douglass"
<[hidden email]> wrote:
>I have seen on the web a 20amp Watson Power-mite switch-mode PSU available
>in the UK. This looks a great size for use with my K2 on my travels, I just
>wonder if anyone has used one with the K2 and if they have any comments
>(i.e. any noise of RF problems)??

I would be cautious about the Watson PSU.  I have the older, slightly
larger 25A version, W-25XM, and it generates a lot of RF signals over
a wide frequency range.  Maybe they've improved it in the new model,
but I would advise checking it.

73
Neill
G4HLX / F5VLD
K2/100 #2425


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