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Port too large?

959 views 2 replies 3 participants last post by  Oliver 
#1 ·
Hello,

I recently built a ported box for my JL 12w3v3 4ohm and I made a small mistake with the port. I built the box to JL's specs, but when building the port, I made the tail end (inside the box after the turn) too large. by 3/4" to be exact. So that effectively increased the volume of the port by .07ft^3. Will this adversely affect my box tuning and performance? If so, i can easily fix it by adding more 3/4"mdf to the back side of the port wall. Please let me know

 
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#2 ·
I think with ported it would alter the maths slightly, if you search for "subwoofer volume calculator" in google, (on slow net atm or i'd post link) one of the sites in the first page gives you a good calculator you can work out all the math, so you could compare figures between what you have and what you should have done.
 
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