Rich said: >so the maximum anode to grid potential is 5750v during the cutoff-half of each cycle Is it not the case that this is only true when the loading is correct? 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com