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  1. #1
    Join Date
    Aug 2003
    Location
    USA
    Posts
    5,538

    Default Proper subwoofer distance setting

    Rythmik has just published a useful app to help calculate the proper subwoofer distance setting for your receiver. This will optimize phase, which is critical for achieving the best blend between your speakers and subwoofer.

    http://www.rythmikaudio.com/subtuner.html

    Note: You must have Java installed.
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    Good Sound To You!

    David Fabrikant
    www.ascendacoustics.com

  2. #2
    Join Date
    Mar 2004
    Location
    SouthWest of Cleveland
    Posts
    1,924

    Default Re: Proper subwoofer distance setting

    Looking at the spreadsheet, I see the closest woofer size to match the Sierra-1 is 5.25", where the Sierra's woofer is 5.5", probably no difference.

    I let Audyssey MultEQ do the speaker setup, and I must say the sound is much more coherent and focused, with the bass integrating beautifully.

    It set the Sierra-1's as large, Bass on "Mix" with a 60Hz crossover. I reset them as small, 80Hz.
    Ed

    * Sierra-2EX's W/V2 crossover upgrade
    * (2) Rythmik F12's
    * Parasound Halo P6
    * Audio by Van Alstine DVA-M225 Monoblock Amps
    * MiniDSP 2x4HD For Sub calibration
    *World's Best Cables Canare 4S11 speaker cables

  3. #3
    Join Date
    Nov 2010
    Posts
    16

    Default Re: Proper subwoofer distance setting

    Dave, and all,

    There is a new calculator, here is the URL:

    http://www.rythmikaudio.com/subtuner2.html

    And Ed, Ascend lists the Sierra with a 5.25" woofer, so it should fit the calculator just fine.

    Jeff
    Last edited by ride525; 12-18-2010 at 07:01 AM.

  4. #4
    Join Date
    Nov 2013
    Posts
    5

    Default Re: Proper subwoofer distance setting

    Hi Dave and other members, I bought the lv12r sub with front Sierra-1s, I don't see this sub listed in the sub tuner, should I use the result of F12 maybe ?

  5. #5
    Join Date
    Nov 2011
    Location
    Space Coast, FL
    Posts
    578

    Default Re: Proper subwoofer distance setting

    Quote Originally Posted by kgabest View Post
    Hi Dave and other members, I bought the lv12r sub with front Sierra-1s, I don't see this sub listed in the sub tuner, should I use the result of F12 maybe ?
    The FV12 would be a better match to the LV12R.

    You might also consider contacting Brian Ding or Enrico Castagnetti at Rythmik for more info.
    -Jacob

  6. #6
    Join Date
    Nov 2013
    Posts
    5

    Default Re: Proper subwoofer distance setting

    Jacob, thanks, it makes sense as lv12r is vented.

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