JWIGHTSR at wmconnect.com wrote: > Has any one built a HF amp using the 4cx250 Try this: <http://www.google.com/search?hl=en&q=4cx250+hf+amp&btnG=Google+Search> You'll get 447 hits, and some of them have circuits, etc. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco