The Radio Handbook shows a method of balancing two transformers using the secondary winding of a third transformer to balance the load between the two. I have never tried this, but it looks good in theory. Mike, W1NR -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com