I was asked to make this by a friend. He specified the parts and I put it together using my cnc router to engrave the front and back panels.

DCB1 Mezmerize board from https://diyaudiostore.com/collections/printed-circuit-boards/products/mezmerize-b1-buffer?variant=5939090628

Modushop Galaxy case

Audio note Tanalum resitors in the audio circuit

Audio note and Mundorf capacitors in the power supply

Khozmo stepped attenuator

Toroidy supreme transformer