Help wanted: Citation 12 Pass Mod

Here some pics of my DIY Citation12 Mosfet
The enclosure is from an old Bose1800.
Trafos are 2x30V/300VA = DC 42,8V per rail
BIAS is 200mV
Electrolytes are 68000µF/50V from NipponChemicon
Cableing is all Copper solidcore

Cit12C1.jpgCit12C2.jpgCit12C3.jpgCit12C4.jpgCit12C5.jpg