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Correcto mundo!!

My XLO Test CD has two tracks for system demagnetization. I got the CD when it came out, in 1995, almost twenty years ago. How time flies. As the XLO Test CD points out, it has been standard practice since the earliest days of analog recording to de-magnetize the tape heads prior to every use. Who can forget bulk tape head erasers from Radio Shack? XLO also points out that the leads of most caps and resistors are made of copper plated steel and most connectors, even gold plated ones, have a highly magnetic nickle underplate. XLO also points out that the impurities in copper conductors are usually the "iron triad" metals - iron, nickle and cobalt. As for the physics, since the audio signal in the electronic signal path is electromagnetic it's not much of a stretch to conclude that any magnetized material in the signal path or in proximity to it probably interferes with and distorts the audio signal to some degree.


Edits: 01/15/13
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  Kimber Kable  

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