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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: I didn't disagree. posted by jneutron on January 8, 2007 at 12:21:37:
Hi.I said in my previous post the CD 'magnetizer' I tested gave out a loud vibration noise showing the very strong magnetic field was acting onto the CD under test.
I can only suggest the temporary horrible sound generated immediately after the treatment is that aluminum, being a paramagnetic material, not non-magnetic like wood or plastic, is still affected MOMENTARILY by the very strong magnetic field.
In other words, the dipoles of their atoms or modules do not interact with each other until a strong external magnetic field applied to them. But once the magnetic field is removed, the atom dipoles are back to their random orientations.
My question is: how such strong magnetic field would improve the music - as the CD magnetizer vendors so claimed? Neither my test showed it, nor the paramagnetic science can explain it.
If any claim cannot be explained by theroy & any rationals, or proven in practice, I would dismiss it as snake oil.
c-J
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Follow Ups
- Wrong, don't forget aluminum is a paramagnet, not non-magnetic. - cheap-Jack 12:57:31 01/08/07 (5)
- I kinda knew that about aluminum...use it a lot in magnets.. - jneutron 13:10:40 01/08/07 (4)
- Yes, it could be a thermal shock effect. - cheap-Jack 13:22:45 01/08/07 (3)
- Re: Yes, it could be a thermal shock effect. - jneutron 13:29:52 01/08/07 (2)
- But the laser sensor reads only 1 or O. - cheap-Jack 13:42:54 01/08/07 (1)
- Actually, it determines bit value by the reflection coefficient. - jneutron 13:51:39 01/08/07 (0)
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