> I may be oversimplifying here, but maybe it's unnecessary to go to all this > trouble. The figure mentioned was 1 dB of loss at 1500W, which amounts to > around 300W by my calculations. > > 1. Can the balun in this amp dissipate 300W? I hardly think so. > 2. Do QRO baluns have a history of burning up? Not to my knowledge. Well put, Doug! (((73))) Phil, K5PC