The Red3 uses a four piece OTL cantilever that has a Grado specific diamond mounted on a brass bushing.

As in all Grado phono cartridges the Red3 is powered by a twin magnet system that optimizes the balance between stereo channels. All internal magnetic circuit parts are held to extremely high tolerances creating the desired stereo imaging. Grado’s patented Flux-Bridger design allows the Red3 to have one of the lowest effective moving mass generating systems while creating an excellent balance throughout the full frequency range.