contrary to the claims of the F800ES has no dual-Mono power supply. One transformer supplies both power stages of the power amplifiers, the other supplies their driver stages and the phono equalizer. Very generous screening capacities all around. Complex sub-power supplies with a discrete design. Classic Class A/B power amplifiers with FET input and BJT power levels. Channel-separated construction of the phono stage with 2SK147 input difference stages, active equalization and NE5532P OP-AMP output stages.