DS Audio has shared the necessary documentation for connecting optical cartridges for turntables. These cartridges should not be confused with non-contact laser cartridges . They still use mechanical contact between the soundtrack and the solid stylus. But it is not a magnet or a coil that is fixed to the console, but a shield that shades the photocells located in the cartridge case. The … Continue reading DS Audio Reveals Optical Cartridge Technology For Other Manufacturers