Subwoofer Excursion test signal??

Discussion in 'Speakers' started by Christopher_Ham, Sep 23, 2003.

  1. Christopher_Ham

    Christopher_Ham Stunt Coordinator

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    I was checking around Kaaza for HT test signals and found one called "Subwoofer Excursion". Anyone heard of this??
    Please tell me if it is any good.
     
  2. ChrisWiggles

    ChrisWiggles Producer

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    What are you trying to test?

    I'd be weary of downloading things to test your system with. Not to mention that these kinds of things are a no-no on these forums.
     
  3. Christopher_Ham

    Christopher_Ham Stunt Coordinator

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    I am looking for a good sub test disk that will give me test signals down to 10 hz or so. I would like to know the name of a good DVD or CD I can purchase. I am sorry, I wasn't clear on the no no's. Won't happen again.
     
  4. Frank Carter

    Frank Carter Screenwriter

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    Stryke.com has there own disk but you'll have to call because most of there website isn't working. If you have a CD burner, you can download the NCH tone generator(for free) and make your own tones and burn them.

    Here's a post on the Klipsch forum with instruction on how to use the program. I didn't need any instructions...it was pretty straight forward.
     
  5. Jeremy Stockwell

    Jeremy Stockwell Supporting Actor

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    There are also downloadable test tones available through the Sonotube Project Links at the top of the DIY forum. (The link appears to be down right now, but IIRC, the test tones are near the bottom of that page when it's available.)

    JKS
     
  6. Anthony_I

    Anthony_I Stunt Coordinator

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    can someone explain what IIRC means? ive not heard that one yet.
     
  7. Frank Carter

    Frank Carter Screenwriter

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    IIRC=If I Recall/Remember Correctly

    Here's a great site I found when I first joined this board.

    www.acronymfinder.com
     
  8. SkiingNinja

    SkiingNinja Second Unit

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    If you want to see the max excursion of your woof, place a 9V battery across the driver terminals.

    Do this at your own risk [​IMG]

    Sean
     
  9. Brian Bunge

    Brian Bunge Producer

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    Sean,

    I thought the best way was to plug it into your 120V wall socket![​IMG]
     
  10. Jeremy Stockwell

    Jeremy Stockwell Supporting Actor

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    Do THIS at your own risk!

    JKS
     
  11. quyen_nguyen

    quyen_nguyen Auditioning

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    Hi Chris,
    "Excursion test" for the subwoofer is testing the linear travel of the woofer or how loud the speaker can play without distortion. People use "excurision test" to test the maximun linear travel of the woofer. Speaker company use this kind of test to test the driver for "rubbing coil, distortion, ticking or rattle".
    -If you have audio oscillator (signal generator). Apply approx 20hz signal (@approx 1RMS), and turn your volume of the subwoofer up (Make sure don't over drive your woofer, otherwise will blow up your subwoofer if you sub doesn't have good compression circuitry)to check the movement of woofer. If you don't signal generator, I can send you 20hz test tone track.
    Good subwoofer, the excursion can reach up to 1.5 inches without any distortion.
     
  12. Christopher_Ham

    Christopher_Ham Stunt Coordinator

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    Thanks, I appreciate your responses[​IMG]
     
  13. GrahamJW

    GrahamJW Stunt Coordinator

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    Christopher:

    Check the sine waves out at this site:

    http://www.sdinfo.com/down/index.html

    They are from the Secrets of Home Theater and High Fidelity Download page. They are in WAV format, so if you have a PC with a burner, you can burn them to CD audio format and play them from your DVD or CD player.

    Cheers..John
     

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