Since SP records have monaural modulation, when combining an SP stylus with a stereo body, such as the AT-VM95SP, it is recommended to use the “MONO ON” function “ of your standard Stereo Phono Preamplifier to minimize record surface noise.  AT-VM95SP, as stereo cartridge for SP mono records, when used with a dedicated archiving phono preamplifierequalizer incorporating various functions to generate a mono signal from Stereo inputs (Mono L+R, Mono L, Mono R, LR Variable Mix) allows professional archivers to minimize noise and distortion by sampling the least damage side of the grooves from an old record.  3mil SP stylus for reduced record surface noise Aluminium cantilever 2.7mV output voltage Compatible body with all VM95 Series stylus assemblies