Cathodyne tube line pre (cont'd)

[Zonula03]

Wow 🤩!! Thanks @hooman, I have much more motivation to continue my study now, btw where do live? I am from QC

PS the 15k is a value chosen by me, it’s not the actual value in the amp

 

[zonula]

Still cooking ;-))))))

 

[zonula]

Updating my progress, yes I know no values indicated in my schematic

 

[zonula]

I found also a pic of the bigger brother (read Petrus), I thought I'd share with you all ;-)