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 Post subject: Ferrofluid Fun
PostPosted: Tue Jan 17, 2006 3:44 am 
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Posts: 1134
Location: Idaho
Ever wanted to experiment with ferrofluid?

They sell it (at $25 for a 50ml bottle) and also many kinds of magnets from the tiny to the don't get your fingers or hands between them if you'd like to keep them sizes.

Hmmm, the stuff evaporates, at least the carrier fluid does, so how do they stop that from happening in speakers, especially since a fluid damped speaker must have an air vent to both sides of the voice coil?

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PostPosted: Sun Jan 22, 2006 2:52 am 
I'm guessing the ferrofluid in speakers is not exposed to air, but is contained in a sealed flexible container.


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