Using the SS MIMC with a tube phono doesn’t need to be so involved.
The OP can get one of these for LE$$ and either choice is good
https://www.audiogon.com/listings/tube-zesto-audio-leto-1-5-preamp-2017-06-21-preamplifiers
https://www.audiogon.com/listings/lisbbb6a-manley-chinook-limited-edition-phono