Difficult to power, need a stiff supply that does 60A. Great amp but know what you're getting into. 73, Josh W6XU Sent from my mobile device > On Jul 28, 2016, at 12:58 PM, Charlie T, K3ICH <pincon at erols.com> wrote: > > My TE Systems 1452G amp puts out a tad under 400 watts with 4 watts drive. > AND it is biased for linear service. >