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Thread: wanting to go 3 way fully active with pc

  1. #1
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    wanting to go 3 way fully active with pc

    Hello all, after hours and hours of reading, I have a question

    I'm looking for a computer audio solution for going three way active. So I need 6 output channels, with each channel having independant xovers (both highpass and lowpass on each), EQ, and time delay. I understand that I can use the kX drivers for the software functions, just wondering what my hardware choices were.

    It looks like a cheap solution would be the Sound Blaster Audigy 2 ZS.

    I plan on running a P4 2.4ghz PC in the trunk off the Opus dc-dc power supply, and would be able to put the full size PCI card back there. The outputs from the Sound Blaster Audigy 2 ZS would only need to go about 3 feet to the amplifiers. I'd have a 7" touchscreen up front for the interface.

    Is this is viable / good solution?
    Thanks for the help

    Mark

  2. #2
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    Why such a power hungry computer? That's going to be noisy (from cooling) and is going to generate a LOT of heat.
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  3. #3
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    From the looks of the kX project, running a bunch of filters chews up processor power. Maybe I am mistaken there?

    And I already have the computer (not the power supply though). If I can use a much less power hungry computer, I'm all for it.

  4. #4
    Car Audio Moderator durwood's Avatar
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    No-the kxproject uses the soundcard's DSP processing power not the CPU. You could run that setup with an epia board. Now if you wanted to go the ASIO route, that is a different story. Have you looked through the mp3car wiki for audio tuning?

  5. #5
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    I have read the wiki durwood, thanks (i'm from ECA / diyma btw).

    I have sitting in front of me a microATX mb w/ 2.0ghz P4 w/ 512mb ram, 4 usb ports, 3 pci ports, and the original power supply was "rated" for 200 watts.

    Figured I could put it to good use

    ASIO looks like the way to go if I use this mb... anyone looked into the onkyo audio cards?

  6. #6
    Car Audio Moderator durwood's Avatar
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    Excellent. Welcome from another DIYMA member. I am glad you found some of the guides useful. I though the onkyo cards were only 2 channel. I could be wrong.

    Look at either the DSATX or opus 250W power supply for powering a P4.

    edit: I guess it's 7.1 (8 channel) http://www.geekstuff4u.com/product_i...roducts_id=446

    looks like a viable option if it has ASIO. Otherwise ASIO4all should help

  7. #7
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    Those power supplies look good, although I am leaning toward the Opus right now.

    Any word on this card:

    Auzentech X-Meridian: http://www.auzentech.com/site/products/x-meridian.php

  8. #8
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    The PCI-200SE looks nice, but the X-Meridian might be better... so hard to determine what ASIO support will work!

    Durwood, you know the type of processing I want / need out of this for a fully active 3 way setup. What card would you recommend?

  9. #9
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    mach - the thing about getting into this right now is that people can't really reocmend hardware 100% yet. Enough people haven't done this yet to get those kinds of recomendations.

    My main concern with using a P4 in this kind of a set-up is tat you're obviously doing this to get better SQ out of your audio system right? The size of the fan and the noise of the fan that you will need to use to keep it cool will cause problems. Fitting it in the car and keeping it quiet will be VERY hard to do.

    I'd look at a mini-itx core 2 duo board personally. they use a lot less power, need a smaller fan, and are dual core...which you will want for audio processing since you're going to be running multiple programs.

    Sure, you can get away with the P4 or a core solo, but I don't think it will work as smoothly.

    btw - to the forums!
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  10. #10
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    Jan, thanks for the welcome

    I would love to put in a mini-itx board, but budget is a primary concern of mine. I had the board / cpu / memory / hard drive already. I know the fans will make more noise, but it will be in the back of my trunk, and the trunk is sealed from the cabin area.

    I think it would be great to put together a list of devices specifically for ASIO compliant 6 channel (or more) audio devices. I've been collecting a few as I go... if anyone knows of some, please post them!

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