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Thread: Opus 90w Survives Crank!!!!!

  1. #1
    Jesus Freak antimatter's Avatar
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    Opus 90w Survives Crank!!!!!

    When i was spec'ing parts i decided to go with the more expensive power supply (the opus) becasue of two reasons. 1 becasue power and power regulation is the single most important thing when your talking computers especially carputers and 2 because i didn't want to dick around with some circuit i had to build for the shutdown controler.

    Boy am i happy that i did. Suprisingly the opus survived cranking in my car with no seperate tank circuit or anything. It is surprising becasue the stock stereo unit wouldnt survive a crank which i never noticed untill i began researching power supplys in the forum.

    So i have the computer in a custom built box in my glove compartment. I have power run to the Power supply. I have a CDRW/DVD installed (looks factory installed) now all (out of the major comonents) I have to do is get the Lilliput installed. I started on it today and ended up breaking out the bondo. I will post some pics when it is complete (pretty soon i hope)
    -Jesus- King of Kings Lord of Lords

  2. #2
    Nic
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    the stock stereo unit is made to turn off while you crank the engine, the acc wire in your car goes from high to low to switch off all the accesories and give the stater motor as much current as possible.

  3. #3
    dtr
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    He's Right You Know

  4. #4
    Constant Bitrate
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    Quote Originally Posted by Nic
    the stock stereo unit is made to turn off while you crank the engine, the acc wire in your car goes from high to low to switch off all the accesories and give the stater motor as much current as possible.
    That isn't true for all cars. My MINI Cooper S keeps the radio playing when I turn it on from the accesory position.

    Twostep

  5. #5
    Raw Wave Laidback's Avatar
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    Quote Originally Posted by Twostep
    That isn't true for all cars. My MINI Cooper S keeps the radio playing when I turn it on from the accesory position.

    Twostep
    I think what Nic was saying was that IF your 'stock stereo' turns off when cranking, that it's because the manufacturers made it that way. Not that all cars do the same...

    Why should it be surprising that the OPUS 90w survives cranking?? The input voltage range is from 7.5v to 18v! I can't remember seeing anybody on this board saying that any OPUS needs a seperate tank circuit!

    Maybe you're mixing it up with something else?

  6. #6
    Maximum Bitrate none's Avatar
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    For most people, the biggest selling point of the Opus is the fact that it is designed to survive a crank. A little bit of research here and you would not have been surprised.

  7. #7
    jol
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    The opus is made to be put in cop cars and ambulances as I recall it, therefore fitting our needs like a glove.. But before buying a opus as a solution for the crank issue, keep in mind that the battery and overall car condition is a more important factor. And acc power line

  8. #8
    Jesus Freak antimatter's Avatar
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    Well i gues that makes sense then (stockl stereo made to shut off pourposely).

    The only reason i was surprised that the opus survived a crank was becasue i was unaware the manufactures did this... Thus leading me to belive that if my stock stereo couldn't survive a crank that i probably would have problems...even with an opus.

    I am fully aware of the specs on both popular power supplys around here.

    The purpose of this post was provide some feedback to other people that are researching on what power supply to buy and to add some value to this board with my personal experience as i have not seen a definitive post that says opus will or willnot survive a crank. Correct me if i am wrong and post a link

    Cheers
    -Jesus- King of Kings Lord of Lords

  9. #9
    Raw Wave Laidback's Avatar
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    Quote Originally Posted by antimatter
    Well i gues that makes sense then (stockl stereo made to shut off pourposely).

    The only reason i was surprised that the opus survived a crank was becasue i was unaware the manufactures did this... Thus leading me to belive that if my stock stereo couldn't survive a crank that i probably would have problems...even with an opus.

    I am fully aware of the specs on both popular power supplys around here.

    The purpose of this post was provide some feedback to other people that are researching on what power supply to buy and to add some value to this board with my personal experience as i have not seen a definitive post that says opus will or willnot survive a crank. Correct me if i am wrong and post a link

    Cheers
    http://www.mp3car.com/vbulletin/show...ive#post162163

  10. #10
    Raw Wave Confused's Avatar
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    I wondered if it would be one of my posts...i was searching for one of my posts regarding this when I saw this thread...but you beat me to it

    I will go outside tonight and make a little video of my carputer with my 150W Opus surviving the crank


    Garry
    Co-Developer of A.I.M.E.E
    www.aimee.cc

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