A stereo cartridge will work fine. Just do use the MONO switch. That's why it's there.
Don't worry too much about the different equalization curves. They are similar. Diddle with the tone controls until it sounds good to you. No tone controls? Get a cheap equalizer.
Don't worry too much about the different equalization curves. They are similar. Diddle with the tone controls until it sounds good to you. No tone controls? Get a cheap equalizer.