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._. 11th January 2012 02:17 AM

Magnet polarity/orientation in ribbon mics?
Hi I would like to know how the polarity of the magnets is oriented in regular ribbon mics.

A picture with the polarities clearly marked of each magnet would be nice.

I have tried to find information on this for a while now and I just can't seem to find anything useful really.

I have a few dead harddrives. I opened one of them and inside there was 2 banana shaped very strong magnets, the polarity seems to be one banana end + and the other end -

I'm wondering if I can use them for something, to put some paramagnetic metal in between them and get some ac voltage out of them?