Home Speaker Asylum

General speaker questions for audio and home theater.

Correct

However different material need a different signal in order to demagnetize them. One of the first such devices was the Gryphon Exorcist, a little hand held device yo connected to your inputs and which generated a 1Khz toneburst for something like 45 seconds. HP over at TAS raved about its effects.

even earlier though Sumiko had a cartridge demagnetizer, with specialized tone sweeps.

Any component carrying signal has a propensity to become magnetized. Remember any Ac signal generates an EMF field, magnetic as well as electrical. AS a Kid I distinctly remember rubbing a magnet and a piece of iron together and having the iron piece becoming magnetized. This effect affects anything near an flowing AC current. Over time the conductor as well as its surroundings becomes magnetized to a certain extent.

The Exorcist spawned a lot of research. It was discovered that, say aluminum wire required different tone burst, as does silver wire , etc.

There is lies the difficulty in simply playing music. The tones in music are not particular to the demagnetizing requirements.

Of course the quibble becomes that copper is not supposed to be magnetic, nor aluminum, nor plastic....


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  • Correct - unclestu 19:05:21 03/14/15 (0)

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