| | |   Guitar pickup. For some reason guitar pickups are advertised as using samarium cobalt magnets instead of the more common neodymium iron boron variety, because they are "lower noise".  I have no idea if this is true, but it sounds fishy to me.
 Source: eBay seller musicpartsguru
 Contributor: Theodore Gray
 Acquired: 17 April, 2009
 Text Updated: 17 April, 2009
 Price: $60
 Size: 3"
 Purity: <30%
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