Official M2 schematic

There are similarities between the input JFET section of the M2, and the Zen I-V, similarly the transformer and the "No DAC". It occurs that an M2 like circuit might be tied to the output of a DAC chip, or the DSC1 shift register/resistor ladder section and filter out the DSD clock (10-20 MHz)


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what is the nominal M2 V+/-?

Jean-Paul
 

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PSU (for one channel):
- 1x 300VA toroid transformer
- 4x STPSC1206D (SiC 600V@12A TO220)
- 1x 10000µ (MKP bypassed)
- 1x 159ZJ
- 1x 15000µ (MKP bypassed)

What do you think?

Jean-Paul

Zen Mod would say what's with the sissy capacitors.

you'll need 2 x 10000u and 2 x 15000u to create +/-22V power rails
I'd go with 4 x 15000u per channel bare minimum. Aaah just make it 8 x 15000u per channel