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Magnetic field coil ferrous material for loudspeaker
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[QUOTE="arivel, post: 6856090, member: 686660"] the following are some of the reasons that come to mind. the flux of a permanent magnet decreases over time, then we need to see how and the decreasing curve. to my knowledge , most loudspeakers have a magnet with a flux density that very rarely exceeds 2T . in a field coil loudspeaker the flux can be adjusted at will in order to obtain the desired Thiele & Small parameters [/QUOTE]
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Magnetic field coil ferrous material for loudspeaker
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