>>However I also understand the idea that most people would probably not put a $600 cartridge on a $1000 TT.<<
You already know the truth, your MMF-7 is a very basic turntable that anything above a $90 mm cartridge is a waste of money. Unfortunately you have neither the arm nor the table to truly benefit from a high end cartridge.
You already know the truth, your MMF-7 is a very basic turntable that anything above a $90 mm cartridge is a waste of money. Unfortunately you have neither the arm nor the table to truly benefit from a high end cartridge.