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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Voice coil posted by Geoffkait on August 6, 2024 at 13:46:13:
In an electromagnetic driver, such as the one you're describing, the audio signal is per se AC. Because it is alternating current, it is in effect moving back and forth (if you will) in the stationary magnetic field of the permanent magnet structure, which is held fast by the basket. Thus the electromagnetic force developed by the audio signal in the coil drives motion of the diaphragm, because the coil is attached to the diaphragm. The polarity of that current is changing according to the signal driving it; that pushes and pulls the diaphragm, in one direction or the other. Excursions of the diaphragm in both directions (in and out) are responses to forces in both directions.
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Follow Ups
- RE: Voice coil - Lew 20:54:20 08/07/24 (5)
- You're close. Very close. - Geoffkait 02:23:38 08/08/24 (4)
- RE: You're close. Very close. - Tre' 17:57:01 10/13/24 (0)
- RE: You're close. Very close. - Lew 20:35:59 08/08/24 (2)
- So many wrongs it's silly to go further. - Jotaro 16:49:41 10/19/24 (0)
- RE: You're close. Very close. - Geoffkait 22:24:09 08/08/24 (0)
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