Ron, With 1920 watts in and 1500 out thats 78% efficiency......how much more did you want?????? Jim WB2TPS -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm