Question on Polyfill stuffing

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  • edwardj
    Junior Member
    • Jun 2007
    • 4

    Question on Polyfill stuffing

    Good evening,

    I have probably a really dumb question on the best way to stuff polyfill in the sub I am building. I am building the Adire alignment sub from the plans from the Acoustic Visions site. In the instructions it states to stuff the cabinet with 64oz of polyfill stuffing. I purchased 4 1# bags of the polyfill from PE and I am ready to get it done. I have read here and in other forums that most use spray glue and glue the stuffing to the inside walls of the cabinet, after laying out the polyfill from the 4 bags it does not appear to be enough to cover the entire inside surface. Is there a better way to do this, Would it change the tuning much to add a # or 2 more stuffing to get the inside walls completely covered? See, I said it was a dumb question. But any and all suggestions would be greatly appreciated.

    Regards, Ed
  • ThomasW
    Moderator Emeritus
    • Aug 2000
    • 10933

    #2
    The Adire designs don't have the walls lined, instead they use a wad of damping behind the woofer.

    IB subwoofer FAQ page


    "Complicated equipment and light reflectors and various other items of hardware are enough, to my mind, to prevent the birdie from coming out." ...... Henri Cartier-Bresson

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    • edwardj
      Junior Member
      • Jun 2007
      • 4

      #3
      Thanks for the reply Thomas, Thats what I was looking for.

      Ed

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