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Thread: New CarPuter Project: Need Input!

  1. #11
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    Join Date
    Jan 2002
    Location
    Aurora, Colorado
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    17

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    Oh, actually, that's something else I'll need to deal with. All the firewire to IDE bridges I've found so far don't include power on the firewire cable.

    Can a device (such as an ide drive) be powered off that interface?

    Otherwise, I don't know how I'll supply conditioned & regulated 12v to a DVD-ROM drive in the dash... Ideas?

  2. #12
    Newbie
    Join Date
    Jan 2002
    Location
    Aurora, Colorado
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    One other thing, since I frankly don't know a whole lot about car audio- what is a big capacitor for? I mean, in essence, aren't they short-term batteries, but what do they do for the overall electrical system?

    Btw, my Game Theater XP came in the mail today... Can't wait to start playing with this stuff.

  3. #13
    Low Bitrate
    Join Date
    Jan 2002
    Posts
    105

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    With the amount of amperage your amplifier draws, you will be fine without a second battery or capacitor. This is assuming you are driving a car with a decent sized stock alternator. Some of the imports have small alternators. Check your manual for the amperage rating on your alternator.
    I personally run much higher wattage amplifiers in my truck drawing a lot more current on an alternator rated at 95 amps I've not had a single problem.
    If you start to notice lights dimming or if you put a voltage meter on it while stereo is playing and you are noticing voltage dips, then I'd worry about a cap or second battery.
    -Jesse
    2001 Ranger XLT Off Road
    Sony CDX-C910, Sony CDX-U303
    Sony XA-300 USB->unilink adapter
    In dash 5.8" LCD
    Infinity Beta 3 way component set
    4 - OZ Audio 250L 10" subs
    2 Sony XES-M1's, Sony XES-M3
    Esoteric Audio wiring
    Toshiba 7020CT laptop with DVD docking station.

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