Posted by KK7P on Aug 01, 2010; 1:31pm URL: http://elecraft.85.s1.nabble.com/KPA-500-tp5353688p5360922.html
> KPA500 power supply...
> ... Is the toroid rated in such a way that no
> saturation/overheating will occur with the European mains frequency of 50Hz?
The The KPA500 power transformer toroid is rated for operation at 50 Hz
as well as 60Hz.