[Elecraft] Power Supply for K3 ?

Alan Bloom n1al at cds1.net
Sun Feb 24 20:50:01 EST 2008


I bought an MFJ-4125 for use when the K3 arrives.  The fan noise is not
horrible, but noticeable.  I plan to just put the power supply under the
desk which should attenuate the noise considerably.

That works because the -4125 does not have meters.  You probably want to
keep the -4225 on the desktop so you can see the meters.

Al N1AL


On Sun, 2008-02-24 at 17:11, Nick Kennedy wrote:
> I ordered a K3 just recently.  I plan to use my MFJ-4225MV supply, which 
> I like a lot.  It's quiet, but the fan does run all the time. 
> 
> I understand the K3 fan or fans are very quiet.  That makes me want to 
> consider quieting down the fan in my MFJ P/S.  I don't like any 
> unnecessary fan sound, however quiet.  I think I read somewhere that the 
> fan in this supply runs more than necessary.  I may do some temperature 
> checks on heat sinks and add some sort of control to the fan.
> 
> 73--Nick, WA5BDU
> >
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