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Ported cabs or sealed cabs?

Discussion in 'Basses [BG]' started by Jrutt, Jan 27, 2012.

  1. Jrutt


    Dec 11, 2011
    Witch is better and why? Let me know.
  2. 73jbass

    73jbass Supporting Member

    Apr 17, 2004
    Neither is better. Personal taste. Just depends on what you like.
  3. Jrutt


    Dec 11, 2011
    What about the pros and cons?
  4. BrBss

    BrBss Supporting Member

    Jul 9, 2010
    Albuquerque NM
    A port increases volume at low frequency, but also sharply reduces output at frequencies below the cutoff. Here's an example to illustrate:


    That's not to say that a ported cab is louder and a sealed cab is deeper, however, as the cabs may have been designed differently.

    Also- Try searching before posting: http://www.talkbass.com/forum/f15/ported-vs-sealed-your-thoughts-664747/ :D
  5. gigslut


    Dec 13, 2011
    St Louis, Mo
    With proper tuning and driver selection, ported offers maximum acoustical output for a given cabinet size.
    A great shareware program that allows you to compare both small and large signal response of drivers in various enclosures and tunings is WinISD Pro alpha. Interestingly, though response does drop off sharply below the Fb in ported, the tuning that offers maximum driver protection and optimum output is a little above your lowest fundamental note. Compare the "maximum SPL" curves as you enter different port frequencies.

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