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/diy/ - Do It Yourself

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>> No.1392387 [View]
File: 11 KB, 420x231, neo-disc-geometry-magnetization.png [View same] [iqdb] [saucenao] [google]
1392387

>>1392364
Get a strong deodynium magnet and wrap it with enamelled "magnet wire", the smaller the diameter the better. I made one with a 6mm*10mm magnet and 50 or so turns of 26-28AWG wire, haven't tried it yet but it should work. If you do use a small number of turns (i.e. less than a few thousand) you'll need to feed it into a preamplifier, but number of turns won't effect your signal:noise ratio, only the magnet strength and proximity to the wire will do that. Ensure that the magnet has axial poles, I spent too many hours trying to troubleshoot a pickup wound with a diametric-pole magnet, pic related.

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