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Thread: Fixed My Buzzing with AC Inverter

  1. 03-14-2004, 09:18 PM #1
    jjcuff1
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    Fixed My Buzzing with AC Inverter

    I have my first pass laptop mp3 player in my car.

    I bought a 225kw ac -dc inverter from Target for $29. It had some sine wave thing on it. I use a Armada Laptop 1500, which uses 110v ac and the goes to 18v and 5v dc in the plug,

    I play back to the stereo using an irock....

    Experimenting I noticed when I plugged the irock using the 12v lighter there was a buzz at all volumes but not increasing with the RPM. I knew it was a ground. When I used the irock with batteries it went away. I knew then that the DC power coming into the irock and therefore grounding through the headphone was floating compared to the DC AC AC DC on the inverter side. I grounded the irock to the laptop frame

    No more buzz!!!!!
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  2. 03-14-2004, 11:19 PM #2
    frodobaggins
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    Quote Originally Posted by jjcuff1
    I bought a 225kw ac -dc inverter from Target for $29.
    So you bought a 225,000 watt invertor for $29...
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  3. 03-15-2004, 12:07 AM #3
    NovaKane
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    that is a hell of a deal. by the way.

    What of the Irock did you ground? ground of line out or what?
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  4. 03-15-2004, 12:48 AM #4
    carabuser
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    i could power a lot of stuff of 225,000 watt........
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  5. 03-15-2004, 01:08 AM #5
    OdysseyPC
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    Quote Originally Posted by jjcuff1
    I bought a 225kw ac -dc inverter from Target for $29.
    I wonder how much the 1210kw are going for??
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  6. 02-01-2005, 08:18 PM #6
    ATXaccord05
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    now THAT would burn out your alternator quick :P
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  7. 02-02-2005, 10:16 AM #7
    MatrixPC
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    Now, with 225kw, you can power a whole house
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  8. 02-02-2005, 01:09 PM #8
    dodgetimes2
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    How many jigawatts does it put out then? 1.21 perhaps?
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  9. 02-02-2005, 01:18 PM #9
    gubon13
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    damn you! i was gonna make a flux-capacitor reference!!
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  10. 02-02-2005, 02:21 PM #10
    dodgetimes2
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    Sorry couldn't help myself. "The only thing that could produce that much power is a bolt of lightning!"
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