ORIGINAL MESSAGE: On Tue, 1 Dec 2009 15:50:27 EST, Gudguyham at aol.com wrote: >As I recall Henry Radio rated one of their "pair of 3-500" amplifiers at >3000KW input, at 60% eff. (not unlikely) that would be 1800 watts PEP >output.....NO? REPLY: Actually, it would be 1800 kilowatts. Stand back. :-) 73, Bill W6WRT