I use an MFJ-4125 for portable operation because it is so small and light. It is also very RF quiet. For base station use, I use a Samlex SEC-1235M which is also very RF quiet (I have a review of the Samlex power supply on my website at www.ad5x.com). Finally, I also have a Gamma HPS-1a (also reviewed on my website) but it is a little marginal with my IC-706MKIIG. It would probably be fine with the K3, since the K3 uses less current on receive than the IC-706MKIIG - and you can easily operate QSK with the K3.

Phil - AD5X

"Presently using an old  (and heavy) Yeasy power supply, working very well
but - like many others I plan to bring my K3 on trips as well.
Anyone tested the MFJ-4125? In that case: How about the noise level?
Any other/better low weight switching power supplies?
Must say the K3 performs very well and has exceeded my expectations.
Len SM7BIC"
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