https://www.ebay.com/itm/Mark-Levinson-ML-11-stereo-power-amplifier/263093100553?_trkparms=aid%3D111...
Above a ML11 with the round (Neutric) connectors $ 1500
https://www.ebay.com/itm/Mark-Levinson-ML-11-Power-Amplifier/232588195642?hash=item362756373a:g:x-oA...
Above one for $850 but with a square connector for the Power output to the preamp
Did some searching on this but found little - however it should be possible to build a power supply for the ML12 could one fond a schematic.
Best of Luck
Peter
Above a ML11 with the round (Neutric) connectors $ 1500
https://www.ebay.com/itm/Mark-Levinson-ML-11-Power-Amplifier/232588195642?hash=item362756373a:g:x-oA...
Above one for $850 but with a square connector for the Power output to the preamp
Did some searching on this but found little - however it should be possible to build a power supply for the ML12 could one fond a schematic.
Best of Luck
Peter