I have the SLP98P and use a 2.5mv Dynavector MC cart. As long as the cart has at least 1.4mv you'll be ok. I love this preamp and recently went from a Cary V12R to a Cary CAD120S amp. The system sounds fantastic. The sources are all Linn. It also sounded great with the Linn K18II MM cart. Good luck.
Cary SLP-98
I'm thinking of upgrading from my AES AE-3 MKII to the SLP-98. I'm currently using an Eastern Electric MiniMax phonostage. My question is this: Would I be better off getting the linestage-only version (SLP-98) or the version with MM phono stage (SLP-98P)? Would the phonostage best the MM side of my MiniMax?