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The company was founded by engineers Arnold Poulsen and Axel Petersen in 1918. Initially focusing on sound film technology, Ortofon began to diversify into gramophone record playback and cutting equipment towards the end of World War II. The firm pioneered the use of moving coil technology in phonograph equipment; the first cutting head based on this technology was introduced in 1945. Ortofon's first moving coil magnetic cartridge, the AB model, was launched in 1948, and similar variations of that product are still manufactured today due to demand from enthusiasts.
DJs currently account for three-quarters of Ortofon's cartridge sales, the remainder being sold for audiophile and consumer audio use. Low-cost Ortofon cartridges, such as the OM-5E, are often supplied as standard on budget-priced consumer turntables, including the Pro-Ject Debut range. The Ortofon OM series stylus assemblies are interchangeable, allowing users to easily mount a more expensive stylus on a cheaper cartridge.
- "Vinyl records are solid gold for Ortofon". Denmark.dk. July 2, 2003. Archived from the original on May 18, 2015. Retrieved 2006-12-04.
- "Company profile". Ortofon. Archived from the original on 2006-11-21. Retrieved 2006-12-04.
- "Those Were The Days: Ortofon A/B, SPU, Decca London and Tannoy VariTwin Phono Cartridges". SoundFountain. November 12, 2004. Retrieved 2006-12-04.
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