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  1. #1
    Dirt Bomb sknhgy's Avatar
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    OT Why is there a capacitor on a tweeter?

    When you look at stereo speakers, there is a 50v .2uF(?) capacitor on one of the wires going into the speaker. Why? Is it a filter?
    more cops have been killed by donuts than guns in chicago it is a medical fact ask any doctor.

  2. #2
    You Know!? For Kids! jsharr's Avatar
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    I believe it filters out bass. I know when I had a system put in my jeep, they capped the speakers in the dash for that reason.
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  3. #3
    tad
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    It is a very simple high-pass filter. A high-pass filter lets high frequency signals through, while severely attenuating the level of lower frequency signals (i.e., bass).
    See http://en.wikipedia.org/wiki/High-pass_filter

  4. #4
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    AFAIK the bass signal would damage the tweeter.
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