A phono cartridge is a small device that turns the vibrations from a record's grooves into an electrical signal. It is a key part of a turntable and greatly affects sound quality. Inside the cartridge is a stylus that follows the grooves of the record and a group of coils that create the electrical signal. Turntables use different types of cartridges, mainly moving magnet (MM) and ... https://www.ebi-audio.com/