how to tune

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=39725
Printed Date: July 06, 2025 at 11:08 AM

Topic: how to tune

Posted By: leroy185
Subject: how to tune
Date Posted: September 25, 2004 at 12:33 PM

hey this is probably a dumb question but how exactly do you tune a box?

Replies:

Posted By: forbidden
Date Posted: September 25, 2004 at 2:01 PM

Tuning a box is done by altering the box volume and the port displacement (if ported).

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Top Secret, I can tell you but then my wife will kill me.

Posted By: leroy185
Date Posted: September 25, 2004 at 3:30 PM

how do you mean?

Posted By: forbidden
Date Posted: September 25, 2004 at 3:48 PM

Get yourself a harmonica. Sit infront of your sub box with a sledge hammer. Tell the sub box to play this note (play it on the harmonica) or you'll beat it senseless.

Changing the interior volume of the box affects power handling and the overall control of the sub. Type of box also will affect how the sub performs. Do a search for sub boxes of sealed and ported type to do some reading on it. There is plenty of materials to be read on this site as it relates to subboxes.

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Top Secret, I can tell you but then my wife will kill me.

Posted By: DYohn
Date Posted: September 25, 2004 at 5:14 PM

Here's a decent guide to get started: https://www.jlaudio.com/tutorials/ports/index.html

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