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subwoofer enclosure

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=134005
Printed Date: May 02, 2025 at 8:14 AM


Topic: subwoofer enclosure

Posted By: hiranjoy
Subject: subwoofer enclosure
Date Posted: April 08, 2013 at 7:54 AM

I bought two Pioneer TS-W304R sub woofers,12" 300RMS each 1300Watts output total of 2600 watts.I want to make a wedged enclosure with slot port.Now am confused with the port size and length.can anybody help in this?

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Hiran Joy



Replies:

Posted By: DYohn
Date Posted: April 08, 2013 at 12:05 PM
The power rating on a subwoofer is the amount of input power it can handle, not the output power and by the way, the subs you purchased are rated at 300 watts each (the 1300 watt number is an instantaneous peak value.) I can recommend using an amplifier with output power no higher than 300 watts per sub.

As far as the proper size port, what tuning frequency are you trying for and what is the total size of your enclosure?

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Posted By: dcucannon
Date Posted: April 10, 2013 at 7:11 PM
can you give us any measurements of the enclosure, or the space it will fit into?
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Posted By: hiranjoy
Date Posted: April 11, 2013 at 4:42 AM
port dimensions:

port diameter: 3 inch
i need a tuning frequency as 35.

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Hiran Joy



Posted By: hiranjoy
Date Posted: April 11, 2013 at 4:44 AM
Enclosure dimensions
width is 34 inches,
Height 1:20inches,
height2 : 12inches,
depth 18 inches.

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Hiran Joy



Posted By: DYohn
Date Posted: April 11, 2013 at 2:07 PM
OK, so your dimensions are about 4.5 cuft gross, assuming you use 3/4" MDF. Subtracting for woofers and braces (you are using braces?) let's estimate a 4.2 cuft net. With a 3" round port to tune to 35Hz, it needs to be 1.5 inches long.

https://www.the12volt.com/caraudio/boxcalcs.asp

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