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Thread: Powering amp indoors?

  1. #1
    Newbie NEO_0690's Avatar
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    Powering amp indoors?

    Would it be possible to power my amp and subs with a car battery charger so i can use them in my room while my truck is in the shop? I'm having bass withdrawal

  2. #2
    I'm sorry, and you are....? frodobaggins's Avatar
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    Unless you have one hell of a battery charger then no
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  3. #3
    Newbie NEO_0690's Avatar
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    ok, i thought i heard about somebody doing this somewhere, but i must have just misunderstood

  4. #4
    Variable Bitrate danon's Avatar
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    You can use an AC to DC regulated power supply instead. I don't have one (yet) but i use my engine starter (the one with a built in battery inside) since it can output 12v DC while the power adapter is connected to the main socket to make the current continues and the battery doesn't died out.

  5. #5
    FLAC DodgeCummins's Avatar
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    Still, an amp pulls a lot of juice.
    Like in the 20A range.

    I have not seen an affordable AC/DC power supply in that range.

  6. #6
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    One of those starter things might well do it but I'm not sure how smooth the output would be. You may well end up with loads of hum.

    Easiest way would be to power it from a spare car battery and leave the charger on it when u're not using it to try and keep it in a reasonable state of charge.

    Chris

    Quote Originally Posted by DodgeCummins
    Still, an amp pulls a lot of juice.
    Like in the 20A range.

    I have not seen an affordable AC/DC power supply in that range.

  7. #7
    Low Bitrate wylie-c's Avatar
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    My friend used to have subs inthe house all the time for parties. Hooked up to a car battery and a charger. The charger was a big one on wheels though. We had it on 40a charge to keep the battery up.

  8. #8
    FLAC DodgeCummins's Avatar
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    There, I assume the battery acts as a huge filter to smooth out the juice...

  9. #9
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    Quote Originally Posted by DodgeCummins
    There, I assume the battery acts as a huge filter to smooth out the juice...
    More importantly, the battery supplies power when the power supply is maxed out (like on a big bass hit). Since the current draw of the amp (when it's playing music as opposed to test tones) is only intermittent the charger is enough to keep the battery from fully draining.

  10. #10
    Constant Bitrate Suprapc's Avatar
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    I'm guessing ChrisW thought you guys were talking about the battery chargers with the 100~200 amp START feature. And no you defiantly wouldn't want to use that.
    I would buy (I already have a few spares) a cheap automotive battery, hook up a battery charger to it and run the amp off of that.
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