Paul said: >Huh? How did we go from a $20 rheostat to a $5K amplifier? Extrapolation - the result of adding one feature after another. 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