Posted by ANDY DURBIN on Aug 29, 2019; 7:57pm URL: http://elecraft.85.s1.nabble.com/KPA-1500-on-digital-modes-tp7654828p7654854.html
"No one has mentioned amplifier efficiency at differing power levels."
I have for the KPA500 and I have provided links to test data. I would expect the KPA1500 to have similar characteristics but I'd like to see equivalent test data for it.