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
Just investigating dcb-1 preamp. How much would you charge to make another with the same components? I am based in the UK.