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Port Length Calculator - Need Help?


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fishing 
Member - Posts: 27
Member spacespace
Joined: August 02, 2003
Location: United States
Posted: September 17, 2003 at 9:24 PM / IP Logged  

Hello, In the Port Length Calculator site it says to enter in the Box volume. But is this before you include the volume of the port itself or after it? Thanks for any help!

Speaker 12w3v2-d4 recomended volume per JL  is 1.75

Driver displacement is 0.07

My box now needs to be 1.82 volume to compensate for the driver displacement

Port volume is?

My box now needs to be?

12 volt rules
fishing 
Member - Posts: 27
Member spacespace
Joined: August 02, 2003
Location: United States
Posted: September 19, 2003 at 11:01 PM / IP Logged  
How come  no-one is responding to this question?
12 volt rules
DjRDifacs 
Copper - Posts: 64
Copper spacespace
Joined: June 16, 2002
Location: United States
Posted: September 20, 2003 at 11:57 PM / IP Logged  
Here's an example that will help you out...
your calculations indicates that your driver requires a 2.00 ft3 ported box. Your driver's displacement is 0.5, and yer port displacement is 0.3
Build your box to 2.8 ft3, and after your driver and port is mounted, the driver will have its required 2.00 ft3 space.
Again this is an example ...hope this helps. email me if you have anymore questions.
fishing 
Member - Posts: 27
Member spacespace
Joined: August 02, 2003
Location: United States
Posted: September 22, 2003 at 9:40 PM / IP Logged  
Thanks for the example!
12 volt rules

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