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4th oder sundown sa 12s box help


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18 minutes ago, brian85578 said:

What can I do to make it better larger sealed section 

Depends on what you mean by "better".  Better could mean louder, or it could mean wider bandwidth.  With bandpass boxes you can have one of those things, but not both at the same time.  

You could increase the sealed chamber a bit, up to about 1 cu ft per sub, but I wouldn't go any more than that or you could have over excursion problems on low frequencies.  

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

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7 hours ago, brian85578 said:

Louder is what I'm after 

Increasing the front chamber size will get you louder, sort of.  It will only get you more output right around the front chamber tuning frequency.  You could go from 4.4 cu ft to 6.0 cu ft, but that will only gain you a little over 1 dB, which is pretty much inaudible.  

 

As far as reducing the width from 39 to 36 inches, that's fine and long as you increase the depth enough to keep the chamber volumes the same.  

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

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