Audio Technica VM510CB Dual Moving Magnet CartridgeVM510CB The VM510CB conical stylus cartridge is the entry level 500 Series model in Audio Technicas new VM cartridge line a line that harks back to A Ts early days as a manufacturer primarily of high end phono cartridges, while also incorporating todays advanced technology. Like all VM cartridges, the VM510CB is equipped with dual magnets that are positioned to match the left and right channels in the stereo record groove for outstanding channel