Most of the microphones we use are equipped with Alnico or ceramic magnets. Alnico is the acronym for the 3 main elementsthat make up this alloy: Aluminum, Nickel, cobalt. They also contain a very small part of Copper and for some (6,8 and 9) a ittletitanium. The different types of alnico are classified by grade (1,2,3,4,5,6,7,8,9). Historically, the magnets used in the manufactureof electric guitar pickups are Alnico 2, 3 and 5. subsequently, Alnico 4 and 8 were integrated. very recently, Alnico 6 and 9appeared.

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