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Port Location: What would happen if...

Discussion in 'Amps and Cabs [BG]' started by PJaye, Aug 29, 2007.


  1. PJaye

    PJaye

    Feb 2, 2004
    Boston/Worcester
    ...you install port tubes on the front baffle (directly behind the grill) of a cab? They would be about an inch away, but I'm wondering if the air velocity would make port noise there.
     
  2. greenboy

    greenboy

    Dec 18, 2000
    remote mountain cabin Montana
    greenboy designs: fEARful, bassic, dually, crazy88 etc
    It's done all the time, and iof the system is designed well, no.
     
  3. joelb79

    joelb79

    Mar 22, 2006
    Lansing, Michigan
    Port location would have little to do with the sound overall unless your talking about rear or front ports.

    Correctly porting the box would have a much greater effect. Port velocity is something that most people overlook when first building cabs. Too much port area or too little make a huge difference in tone. Too little is always worse!
     
  4. billfitzmaurice

    billfitzmaurice Commercial User

    Sep 15, 2004
    New Hampshire
    Owner, Bill Fitzmaurice Loudspeaker Design
    Port noise is the result of a port area that is too small, not the location of the port.
     
  5. PJaye

    PJaye

    Feb 2, 2004
    Boston/Worcester
    Thanks for your replies. I wouldn't want the action of port breathing to interfere with the grill itself, since it's so close. All my SWR cabs have lower slot ports, and their grills don't cover them.
     

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