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Port Length Calculator

Port length Calculator for sub woofer box design.

 

Port Length Calculator

 
  • This calculator will determine what length port to use in your ported enclosure.

 

 

  1. Select whether you are using a round or slotted port for you box design.

  2. Enter the number of ports you are using, the internal airspace of your box, then tuning frequency you wish to use, and then hit calculate button.

  3. If you are using a slotted port, select square under port type, then answer yes under are you using a slotted port.

  4. Then under square vent, type in the height and width of the port you wish to use. Then hit calculate.

 

 

Calculate Vent Length

 
 

Port Type
Round   Square 

Are You Using a Slotted Port?
No   Yes 

Quantity of ports
Enter Enclosure Volume  (ft3 )
Tuning Frequency   Hertz

Round Port
Port Diameter   Inches

Square Vent
Enter Height   Inches
Enter Width  Inches

Vent Length   Inches

 

 

 

 

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