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Open Baffle Bandits?

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  • jclin4
    replied
    Re: Open Baffle Bandits?

    As you suspected in the first phrase of your post, this is not a question that has a quick answer.

    Even if you are willing to give up bass response by moving to an open baffle, there will be a change in frequency response in the midrange due to cancellation and reinforcement of front and rear soundwaves. This will mean likely a signficant hump as well as dip, depending on the width of your baffle, and where the drivers are on that baffle. Multiple drivers per side will also affect the vertical polar response (a limitation or advantage of an MTM, and taken care of in the crossover for TMMs).

    To get a picture of what I am talking about, you can model the response of a single woofer on an open baffle using Jeff B.'s Response Modeler:

    http://audio.claub.net/software/jbabgy/FRM.html

    Otherwise if you already have your active setup, you can always give it try on a test baffle and then play with the active filters by ear.

    Leave a comment:


  • Neis
    replied
    Re: Open Baffle Bandits?

    Anyone?

    Leave a comment:


  • Neis
    started a topic Open Baffle Bandits?

    Open Baffle Bandits?

    This may be a ridiculous question, but I know you guys are used to those. I have 4 T.B. W4-1320sj drivers and I would like to use them as mid-range in an actively crossed over setup with a woofer and maybe a tweeter/ maybe not. I like the simplicity of the Bandits, but don't need the bass response from the box...I would cross them @ about 250-300. So, if I were to build an open baffle speaker with the same size baffle would I need to change the filter or should that work as is? Also... what would I need to alter in the filter if I use 2 drivers per side? Thanks in advance for any advice.
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