2 Comments
  1. Johan 2 months ago

    Some of the other cabinet designs have specifications on the fs, f3, f6.
    Just wondering how deep bass one can expect from this design?

    • Author
      Thomas Lo 1 week ago

      Dear Johan, There aren’t any fixed values as such for these enclosures as they’re deliberately intended to be user adjustable by trimming the line damping, a little like the pensils are. Nominal Fb is 44Hz, but that varies a little depending on the lagging / stuffing, and doesn’t necessarily mean you have high gain to that point. At one extreme, if you increase the lagging significantly, you’ll have an extended Augspurger style TL alignment [like a Butterworth aligned sealed box with a couple of dB more output], at the other, if you pull all the material, you’ll have something akin to a resonant 4th order vented with additional pipe harmonics. Note I’m not recommending those [!], just saying what the two extremes are & that there is a modest amount of room for experimenting to suit the rest of the system / room as desired within those high / low points.

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