Audio Technica AT81CP P-Mount Moving M/C This is a 0.6 mil conical cartridge and this will fit the P-mount turntables. Who is Audio Technica? Audio Technica is a quality audio component manufacturer, having designed and developed some of the most critically acclaimed headphones, turntables and cartridges on the market since their establishment in 1962. AT build products under a common design philosophy, to provide the most durable and high performing equipment at the best possible price.