Mauro Myref-C with commonly available components

Hi There,
I am designing a mono channel pcb for myrefc with following key concerns.

1.Will be using commonly available components.
2.No use of overrated parts to keeps the cost low.
3.Singal caps will be mica or polyester.
4.Common square bridge rectifier.
5.All through hole components.

I have created a video in youtube presenting the design---> link

I am ordering the pcbs from JLC. If anyone needs it in india you can contact me.
i wouldn't mind open sourcing if anyone can make it better and then share again here
 

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