Hi All, Now is some of the experts use the device in a push pull design would be good also.. Here is a newsletter from SBMS that has 2 units combined for 60 watts out. PYROJOE (KI4NPV) is the builder. tom W2DRZ http://www.ham-radio.com/sbms/newsletters/2006nwsltrs/11sbms06.pdf -- http://www.w2drz.ramcoinc.com/Overview.htm