I am going through the Yamaha M-50 Part List. It appears some of the ceramic caps were replaced for the Japanese market. Yamaha used Mica, Mylar, or PP instead of ceramic. I am thinking of following the same approach since the Yamaha designers believed it would make a difference.
For the ones replaced with Mica, should I be replacing with Mica, CG0 or Polypropylene (if available)?

For the ones replaced with Mica, should I be replacing with Mica, CG0 or Polypropylene (if available)?
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