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Thread: My 2002 Nissan SE-R Spec V Carputer

  1. #31
    Low Bitrate sedtc's Avatar
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    not exactly double amping the signal; hell, the audio out on the computer is not a line level signal. the line driver and the DAC are just different ways of getting the signal to your amp (read: the HU). the line driver would boost the signal that your computer's audio output is already sending while the USB DAC is an external component that sends signal to the amp. a USB DAC does not use your onboard sound card but instead changes the digital signal from your computer to analog which your HU requires. if you were using the digital output on your port replicator, you would have to send that digital signal to some sort of DAC which would in turn make the digital audio into an analog signal for the speakers to play. the soundcard in your computer has a digital to analog converter, the problem is that the analog signal ouput is weak (low voltage) and is often degraded by interference from other components within the computer. the benefit of the USB DAC is that it will do a better job at converting the audio without degradation than the onboard sound and it is an external component with its own power which will provide a higher voltage signal to the HU.

    sorry for this short essay, hope it helps

  2. #32
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    Ok, here are some new pics and info on the screen.
    Don't have a lot of spare money right now, so doing BS mods.
    Painted the callipers:





    '02 Molten Silver SE-R Spec V
    K&N CAI Car-puter

  3. #33
    FLAC FC3S's Avatar
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    im hoping you were smart enough to use metal paint for that, and not just normal spray paint, lol

  4. #34
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    ok and now the screen.










    The screen is attached using a gate hinge (from Home Dpot). The butterfly screw has a washer that slips into the screen mounting rail.


    attached to the storage bin with these two aluminium pieces. Easy to work with, cut and drill, yet durable. The reason for all the washers by the air vents is because the holes are plastic and all of the "testing" and mokcups destroyed the threads. So learn from my expierence, be careful, ideally do it only once. Also the stock screws are longer than the thickness of my hardware, so use washers and don't over tighten or they'll go through the other side.

    Let me know if you have questions. Sorry this isn't a very detailed write up, but it was fairly simple once I figured out what I was going to do. The specific hardware can be swapped out for what you have or know. I just looked for spare screws and washers and stuff that I had. The hinge and aluminium was the only hardware I bought.
    '02 Molten Silver SE-R Spec V
    K&N CAI Car-puter

  5. #35
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    Quote Originally Posted by FC3S View Post
    im hoping you were smart enough to use metal paint for that, and not just normal spray paint, lol
    metal paint? huh

    I used the duplicolor high heat paint. Cleaning those things was a chore. I used two entire cans of brake cleaner, and then busted out the simple green. Lots of toothbrush action.
    '02 Molten Silver SE-R Spec V
    K&N CAI Car-puter

  6. #36
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    oh, also forgot to post the pics of the trunk:



    '02 Molten Silver SE-R Spec V
    K&N CAI Car-puter

  7. #37
    Low Bitrate sedtc's Avatar
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    i see that you're making moves on the DAC, you'll have to let me know which one you finally settle on. i was all set to go with the silverstone eb01, it seemed to be the best solution for the in-car environment in terms of size and cost currently available on the market for now. i'm going to have to look up the specs on the other dac you posted about over in the audio forum. it seems the deeper i get into this hobby, the more i'm considering either ditching my factory head unit for something more high end or bypassing and going straight to amps. one of the main reasons for the former is because i would like to still use the rear speakers when playing video in a 4.1 configuration; i work with video and plan to use my system to test dvds and demo for customers while on the road (of course while i'm parked )

    enough of my woes, i also wanted to compliment the stealth install of your laptop. the brief case is ingenious along with your hinged screen for the dash. now just watch out for the curbs, spec rims are made of butter.

  8. #38
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    don't I know...I've got plenty of curb rash. Although on my second set of tires I went up to 225/40/17 and the slightly larger sidewall seems to be enough to help protect them. There's no real lip on the wheel (I've seen some have this wheel protection lip) but the tire seems to hit first, rather than the wheel.

    Yeah, I want to see if a DAC is worth while. I tried a turtle beach
    http://www.turtlebeach.com/site/prod...roducthome.asp
    didn't hear any real difference between it and my stock sound card. Going to return it, frys also has this one in stock:
    http://www.turtlebeach.com/site/prod...roducthome.asp

    The turtle beach site doesn't give any specs on the power output. I think these are the same just one has more features than the other. I'm still waiting to try the imic and then I'll go hunting for a silverstone. I want to make sure I hear the difference before I shell out even $100
    '02 Molten Silver SE-R Spec V
    K&N CAI Car-puter

  9. #39
    Low Bitrate sedtc's Avatar
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    voltage output for an analog audio output is definately going to be one of the determining factors between the good, the bad and the ugly. the silverstone is so popular because it outputs around 4 volts which is equivalent to what most head units would output. i've seen the eb01 all over ebay for about $80, you should be able to snag one for less than $100. only downside is probably no returns.

    the thicker rubber has probably drastically improved your ride quality as well. 40 series tires are a nice compromise between the ride comfort and performance of the stiff sidewall. i have never been all that fond of positive offset wheels. those red calibers add a nice touch of color to the wheel wells too.

  10. #40
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    I'm actually about to go pick up a new set of tires. Going back to 215/45/17 bf goodrich g-sport. I was thinking of getting the hankook r-s2 z212, maybe next time.

    I wasn't sure about staying at the larger size, so I decided to go back to the original. The wear was definetely a little more toward the inside on the current set.
    '02 Molten Silver SE-R Spec V
    K&N CAI Car-puter

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