I like the ProAudio Engineering Kx33. Works quite well with my KX2 and KX3. https://proaudioeng.com/products/pae-kx33-low-rfi-ac-power-supply/ Lou, W0FK ----- St. Louis, MO "The difference between stupidity and genius is that genius has its limits." Albert Einstein -- Sent from: http://elecraft.365791.n2.nabble.com/