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Discussion in 'Audio & Video' started by HARDSHELLTACO, Aug 21, 2009.

  1. Aug 21, 2009 at 11:16 AM
    #1
    HARDSHELLTACO

    HARDSHELLTACO [OP] HoofHearted

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    I am installing an amp in my boat, is it okay to ground to the battery? I can put the amp close to it so my wires will be 3' or so. The boat is fiberglass with hardly any metal in it.
     
  2. Aug 21, 2009 at 11:17 AM
    #2
    rutherk1

    rutherk1 ElPhantasmo&TheChickenRunBlastarama

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    It is optimal to ground to the battery.
     
  3. Aug 21, 2009 at 11:20 AM
    #3
    HARDSHELLTACO

    HARDSHELLTACO [OP] HoofHearted

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    Thanks! I was afraid to try it because the instructions said to ground to a piece of metal which does not work in a all fiberglass boat.
     
  4. Aug 21, 2009 at 11:21 AM
    #4
    rutherk1

    rutherk1 ElPhantasmo&TheChickenRunBlastarama

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    Yeah. That is a problem. Unless you have a Marinette.
     
  5. Aug 21, 2009 at 11:33 AM
    #5
    nad

    nad mmmm tacos!

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    in a boat you want to ground to the battery, in a car you want your ground wire to be no longer than 2 feet to cut down on interference, this is why they ground it to metal that connects to the frame
     
  6. Aug 21, 2009 at 11:36 AM
    #6
    rutherk1

    rutherk1 ElPhantasmo&TheChickenRunBlastarama

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    It's a misconception on some forums that grounding to the battery is bad. Grounding to the battery is only bad in a lot of auto applications because the amps are usually in the trunk and the battery is usually under the hood, so the distance between the 2 is what drives people to say that. BMWs and Mercedes are nice because the batteries are usually (if not always) in the trunk.

    Grounding to the battery is the best way to go.

    Good luck.
     
  7. Aug 21, 2009 at 11:43 AM
    #7
    nad

    nad mmmm tacos!

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    grounding to the battery isn't necessarily bad and it will give you the best connection possible to ground but this is the reason why not to. plus it saves a fair amount on cable
    8
    In order to reduce the chance of ground loops (i.e. engine noise); make the grounding wire as short as possible to reduce the wire's resistance. Also, when using multiple components, make sure all units are grounded at the same point.
     
  8. Aug 21, 2009 at 1:33 PM
    #8
    atsaubrey

    atsaubrey Dealer/Sales Rep for Sundown Audio.

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    Yup straight to the batteries in a boat.
     
  9. Aug 21, 2009 at 1:59 PM
    #9
    HARDSHELLTACO

    HARDSHELLTACO [OP] HoofHearted

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    someone needs to relay this info to sony. I would but i don't know how to speak singapore.
     
  10. Aug 21, 2009 at 2:00 PM
    #10
    97Blk_one

    97Blk_one Well-Known Member

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    We got SONY in the US too,you know? :D
     
  11. Aug 21, 2009 at 8:06 PM
    #11
    KAPendley

    KAPendley Best Hack I Know

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    x2. The ONLY ground in a boat comes from the battery. Most boats are made out of either fiberglass or aluminum (pontoons). Naturally, you cannot ground to either of those. :D
     
  12. Aug 23, 2009 at 5:53 PM
    #12
    HARDSHELLTACO

    HARDSHELLTACO [OP] HoofHearted

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    Got everything hooked up. Sounds great. Thanks for the help!
     
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