Tracy Korby, besides being a top repair guy for vintage mics and making his own capsules for his own line of mics, does custom modification of mics. Quite a few recording artists have had their mics adjusted to their own desires. I don't know if this involves messing around with the capsules or not.
"I believe that entertainment can aspire to be art, and can become art, but if you set out to make art you're an idiot."
Show business: we're all here because we're not all there.
Resistance is not futile. It is voltage divided by current.