A phono cartridge should last three or four months. Learn about the components of a DJ phono cartridge in thisfree record player maintenance lesson from an experienced disc jockey. Expert: Justin Cohen Bio: Justin Cohen is a disc jockey from Northampton, Mass. He has DJed regularly at public and private functions since 2004, and held a weekly radio show on Valley Free Radio WXOJ from 2005-2007. Filmmaker: Christian Munoz-Donoso
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Tags: disc jockey, dj, djing, record player, turntable