On 10/25/2012 7:38 PM, Kenneth G. Gordon wrote: > > One thing I might mention is that the UNun should be a 2:1, not a 4:1, if you > are quoting the turns-ratio, and calculating from 12 ohms. By 4:1 I am specifying the impedance ratio, not the turns ratio. They are a 2:1 turns ratio. Jack