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how do you calculate cubic feet of a subwoofer box

by Dr. Amaya Thompson Published 3 years ago Updated 3 years ago

How do you calculate cubic feet of a subwoofer box? Measure the height, width and length of the inside of the box in inches. Write down the measurements. Multiply the height, width and length. This will give you the total volume of the inside of the box in total cubic inches. Divide the number by 1,728.

You simply measure the height, width and depth (in inches), multiply them together and then divide that number by 1728. If the box has internal measurements of 6" high*18" wide*12" deep then the volume of the box is 1296/1728=. 75 ft^3.

Full Answer

How do you calculate the volume of a subwoofer box?

Click to see full answer. Regarding this, how do you calculate the volume of a subwoofer box? You simply measure the height, width and depth (in inches), multiply them together and then divide that number by 1728. If the box has internal measurements of 6" high*18" wide*12" deep then the volume of the box is 1296/1728=. 75 ft^3.

How do you convert box a to cubic feet?

Box A is 70" x 30" x 30" = 63,000". 63,000 divided by 1728 (cubic inches to cubic ft conversion) = 36.45. So it is 36.45ft 3 Box B is 60" x 28" x 45" = 75,600". 75,600 divided by 1728 (cubic inches to cubic ft conversion) = 43.75.

How much displacement do I need for a subwoofer box?

The displacement of the subwoofer is 0.06 cubic feet. If we add these numbers together we arrive at the total gross internal volume we need for this enclosure. If we were building a ported box, we would also want to add the port displacement to the figure above.

How do I calculate the size of the woofer?

This parameter is automatically calculated. Include Vb (net internal volume) + woofer/port displacement. This is the thickness of a wood (MDF or plywood). This is the number of woofers in the box. This is the size of the woofer.

How do you measure a subwoofer box?

7:4611:21Subwoofer Box Volume Explained - Gross vs. Net vs. Air - YouTubeYouTubeStart of suggested clipEnd of suggested clipDisplacement we would add the port displacement. We would add all the material. Displacement.MoreDisplacement we would add the port displacement. We would add all the material. Displacement. Including any internal 45s embracing and all of those values. Together would then bring us to the gross.

How many cubic feet does a 12 Sub need?

According to the JL Audio website, the recommended volume space for a 12-inch subwoofer is 1.25 cubic feet. For a 10-inch woofer, the volume recommendation is 0.625 cubic feet, and the recommendation for an eight-inch speaker is 0.375 cubic feet.

What Hz is best for bass?

The best Hz for bass is between 60-250 Hz, as recommended by professionals. These ranges protect speakers from damage and ensure optimal safety and listening experience for you. Listening to bass at too low a frequency outside of this range can damage hearing.

Does box size matter on subwoofers?

When it comes to subwoofers, the answer's yes; size matters greatly. If you have a couple of 8″ drivers in a box you're calling a subwoofer, you're going to be disappointed if you follow the setup steps we'll be discussing – because you won't get the results we're getting.Mar 25, 2013

INTRODUCTION

Use the following calculators at your own risk. Since I've never seen two port calculators that would give the exact same port length for a given box volume and tuning frequency, the port calculations from this calculator will probably be slightly different than other calculators.

Depth (unit of measure - inch)

This is the outside height of the box. This parameter is automatically calculated.

Net Internal Volume (unit of measure - cubic feet)

Net internal air space available for your woofers - Vb. It does not include any volume displaced by woofers, dividers and vents. Most manufacturers provide this spec in the woofer's datasheet.

Total Internal Volume (unit of measure - cubic feet)

Total internal volume of the box. This parameter is automatically calculated. Include Vb (net internal volume) + woofer/port displacement.

Cutout Diameter (unit of measure - inch)

This is the hole cutout needed to "drop-in" a woofer and secure it to the front panel. Most manufacturers provide this spec in the woofer's datasheet.

Mounting Depth (unit of measure - inch)

This is the depth of the woofer when secured to the outside of the front panel. Most manufacturers provide this spec in the woofer's datasheet.

Woofer Displacement (unit of measure - cubic feet)

Volume of Displacement - Vd. If you want to compensate for the volume taken up by the woofer, you can use this parameter. This displacement is added as a factor to the total internal volume. Most manufacturers provide this spec in the woofer's datasheet.

How many cubic inches are in a cubic foot?

There are 1,728 cubic inches in a cubic foot. When we multiply three dimensions measured in inches together, the answer is in cubic inches. We also know there are 1,728 cubic inches in one cubic foot. If a volume is known in cubic inches, it can be divided by 1,728 to find the volume in cubic feet.

How to determine the volume of an enclosure?

The volume of the enclosure is determined by pouring known volumes of water into it until the enclosure is full. A simple method is to use a 1 or 2 liter soft drink bottle and count the number of bottles of water needed to fill the enclosure.

What is a cube in math?

The term “cubic” simply means “three dimensional” and is used to express volume in conjunction with well-known linear measures. To illustrate this, we will use simple flat sided cube shapes (like dice). Let’s look at a common six-sided die as shown below. The height, width and depth of this die are all 1 inch.

How to calculate cubic feet from inches?

If you need to convert to cubic feet from inches: divide the final number (i.e. the total you get after multiplying the three dimensions together) by 1728.

What are the three measurements of cubic feet?

There are only three measurements you need to take to work out the volume or capacity in cubic feet: length, width and height . It's worth being aware of the object you're measuring, however.

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