Has anyone played around with the load and tune circuits in "Single Sideband Engineering" I would like try to to implament these in an AB1 amp. Craig -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm