On Tue,7/26/2016 6:14 AM, Joe wrote: > improper amp loading/tuning. > > > Or better yet what is > > proper amp loading/tuning. I posted a link to K6XX's slides for the talk he did to NCCC on the topic, http://k9yc.com/K6XXAmpTalk.pdf I also addressed it in http://k9yc.com/ContestAudio.pdf 73, Jim K9YC 73, Jim K9YC