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“scott g brown”

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  • Magnetic Liquids: The Ferrofluid Damping in Loudspeakers

    Heat, Voice Coils, and the Thermodynamics Protecting High-End Audio from Melting at High Volumes

    by Scott G. Brown ...
    If you blast a high-end audio speaker at maximum volume for hours, the microscopic copper voice coil vibrating thousands of times a second inside the tweeter generates intense, destructive heat. Without a way to rapidly cool this component, the thin copper wire would literally melt, permanently blowing out the speaker. The ingenious engineering solution is found in space-age chemistry: Ferrofluid. ... Read more

    $5.99 USD