I seem to recall that the proper way to tune amps. that were a bit less than stable, was to always start with the loading capacitor fully meshed. Perhaps some of our amp gurus can shed some more light on this practice. 73 Roger -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com