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Thread: 24bit Live external and Subs

  1. #1
    Constant Bitrate
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    24bit Live external and Subs

    Live! 24 bit external
    1 Rockford Fosgate amp to power tweets/door/rear speakers
    1 Rockford Fosgate amp to power 2 12 inch subs

    I'm having a problem using the Live! with front/rear/sub outputs. When I use the sub output i get a very quiet bass sound. When I plug the sub amp into the front/rear port on the Live! i get a nice loud thumping bass.

    SHould I use the Live! in a stereo 2 channel setup? Where would I plug the subs if the rear output goes to the rear speakers and the front output goes to the front/tweets?

    Or what am I doing wrong with the Live! in 5.1 setup?

    This is the final configuration part and my setup is done!

  2. #2
    Neither darque nor pervert DarquePervert's Avatar
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    There's no reason youneed two threads for the same problem, hence these have been merged.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  3. #3
    Constant Bitrate
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    Sorry about that, I was just about to delete my old one with this cleaned up version. You replied to that pretty much just as I hit post.....lol, I need that kind of response to my question now

  4. #4
    Car Audio Moderator durwood's Avatar
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    Some people have reported the same problem with the live series of cards and the sub output.

    I have recommended this before but it doesn't always work for some for some reason.

    1) In the Creative control panel Turn on CMSS and have it set to CMSS stereo. If is not set to CMSS stereo, then it will be in 5.1 surround mode which does not work well for music related content, but will sound fine for movies.

    2) Make sure Bass management is turned on and adjust the slider upwards until the frequency is between 80-100Hz.

    Note: Only one of the RCA jacks is for the sub, the other channel is for the center speaker.

    You will still probably have to adjust the gain knob on your amplifier.

    If that does not work, you can either use a line driver on the sub channel.

    ... or run the card in 4 channel mode and use a y-splitter off the front or rear channels. You won't have control over the sub, but it works.

  5. #5
    Constant Bitrate
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    ok, so sharing the audio from a rear channel in 4 channel mode will power the subs ok.. I'll play with all this goodness.

  6. #6
    Car Audio Moderator durwood's Avatar
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    IF you go that route just turn on the low pass crossover feature on your amp then. Otherwise you will have full range sound going to your sub and it will sound too boomy and be inefficeint for your sub.

  7. #7
    Constant Bitrate
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    hmmm ok , i think i have that option...its the P4004 Rockford Fosgate.

    holy crap...ok 4speaker output....i have only one of my dual coil subs in and near went deaf now...my amp has a gain knob and a passthrough knob...what should i adjust passthrough to, or just play with it.....as far as inputs , I have input and passthrough input....should i be using passthrough?

    blah, just saw your other post...ok low passthrough..sounds amazing.thanks!

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