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Thread: Car battery -> computer

  1. #1
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    Car battery -> computer

    So basically I got thinking that I'd like to record guitar, drums, vocals etc. out in the desert. This way I don't need to mess with getting a sound-proof room, property, etc. Anyway, basically I am just wondering if anyone has any ideas on how I could power my computer and monitor from my car, either with it's own battery or the car's battery. I am just worried about battery life if I were to use my car's battery.

    Any help is appreciated!

  2. #2
    Maximum Bitrate Vchat20's Avatar
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    Your everyday carpc geek and tech guru at your service. *bow*

  3. #3
    Clover Grayscale's Avatar
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    Woah, this a very interesting application. Yes, please look around. Search for DC-DC power supplies, invertors (bad!!! especially if you're doing recording of audio!), just search man

    Also, good lucky getting a screen you can read in sun that bright. A lilliput or xenarc is not gonna cut it. (those are brands of screens)
    CarPC install is starting to come along again...

  4. #4
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    Believe me I have, but due to my crappy understanding of cars it is hard for me to figure out. I figured posting in the newbie area would get this point across, I am looking for some person to person help.

    Oh ok thanks Grayscale.

  5. #5
    Banned xdjxklusivex's Avatar
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    grayscale is right... search... inverter... dc - dc.... or a generator lol

  6. #6
    Low Bitrate crazymadbastard's Avatar
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    abandon the idea.

    Not sure that it would sound right without actually being in a recording room.
    I do not profess to know about audio, but I do think you do need to be in a confined space to get the best sound. For practicing only though, it may be good enough to be "out there".
    Iwill ZPCgx 2.4ghz cel, 256mb pc2700, external combo drive, 80gb 2.5 laptop drive, xp pro, usb gps, 7 in Lilliput TS , carnetix CNX1900. All mounted ghetto- still experimenting and tweaking.

  7. #7
    Maximum Bitrate
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    pick up a fairly large invertor, run a regular computer... be prepared for sunlight issues and reading the monitor... I would think you could get away with a 400watt (continuous) inverter for a standard PC and LCD panel... might need to go bigger if you use a CRT (tube) type monitor...

    run the computer as needed to do the recording, but shut the computer down before attempting to start the car, the starter will rob the computer of juice and you'll screw up the computer... be prepared to run the car for 10 minutes of every hour (or so??)... to recharge and you'll be safe...

    you could consider just getting another battery to run it all off of... just recharge it at the house... battery might run ya $50 to 70??

  8. #8
    Clover Grayscale's Avatar
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    Yeah, get a deep cycle battery.
    CarPC install is starting to come along again...

  9. #9
    Newbie skellum's Avatar
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    havn't tried it "yet", but it's been talked about here lately.

    we've been talking about running the digit io panel (echo) off a power conditioner plugged into the inverter.

    400W inverter
    - PC Running Sonar 3
    - Lala Echo digital io panel

    that's for vocals only. if you're running a "real" guitar amp, rather than a cabinet emulator, you are probably not going to want to power it off the same inverter. from what i hear, those things generate alot of noise on the line. i've also head that you need a 1500W inverter for most guiltar amps.

    my2cents

    - skellum

  10. #10
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    Thanks guys, all very helpful.

    crazymadbastard, I am not 100% positive on the acoustics and stuff yet. I just figured either way I'll get a unique sound at a cheap(er) price. My computer is music ready, all I need is a place to record etc. I also was thinking about recording sounds out there in the desert, random effects.

    I will look up some stuff tonight, thank you!

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