Dear Mr. Fremer:
>>Ceramic cartridges have very high output and don’t require RIAA equalization <<
What're you talking about? Since when do phono cartridges require RIAA equalization?
It's records that require that. 33 RPM records adopted an EQ curve early in their history, and the one that the industry settled on's known as the RIAA curve.
It's an EQ curve built into how the sound is cut into the vinyl disk. Cartridges don't have an RIAA curve - nor any other - built into them.