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what tuning a sub and box is?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=75727
Printed Date: May 13, 2025 at 11:53 AM


Topic: what tuning a sub and box is?

Posted By: dan.murray
Subject: what tuning a sub and box is?
Date Posted: April 05, 2006 at 8:54 AM

i have been reading this forum alot and was wondering what tuning a sub and box is and how do i do it? is it nessecary? what other information will i need for tuning and sizing for a custom sub box? i have 2 x12" pioneer subs

any help will be greatly appreciated!




Replies:

Posted By: stevdart
Date Posted: April 05, 2006 at 9:21 AM
Does your sub's manual give you instructions on how big to build the box?  Or instructions for building a vented box with box size and port size listed?  If so, those are tuning instructions.  Measure the available box space in your car to start, then find the recommended box size that will fit into that available space.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.




Posted By: dan.murray
Date Posted: April 05, 2006 at 9:25 AM
I will dig up the manual and have a look. And what about when people tune it to a frequency? for example  25Hz ??




Posted By: DYohn
Date Posted: April 05, 2006 at 11:01 AM
"Tuning" means designing the enclosure system to optimize a particular frequency or band.  Generally when you see people talking about "tuning" their enclosure to 25Hz, they are talking about a bass reflex (ported) enclosure and the "25Hz" represents the port tuning frequency (Fb.)  For acoustic suspension (sealed) systems, the "tuning" generally refers to either the F3 (-3db) point or to Fc (system resonance) point.

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