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how to build a custom fit subwoofer box

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how to build a custom fit subwoofer box插图

Below are the steps necessary to build the subwoofer enclosure:Run a bead of carpenter’s glue along one edge.Do not install the part with the holes for the speakers yet.Once you have an open-end (whatever shape you chose) place a bead of silicone all along the inside edges of the box,tube,triangle to insure a sealed environment.Add the “face” to the rest of the box.Decorate your box with carpeting. …More items

What material is best to make a subwoofer box from?

Paper — Paper cones perform quite well and can sound wonderful.Polypropylene — Polypropylene or plastic cones are easy to work with and perform quite well.Metal — Metal cones have the least coloration and distortion in the passband of practically all cone materials.

What is the best wood for a subwoofer box?

What kind of wood should I use for a subwoofer box?MDF. MDF is the more common name for medium density fiberboard.Plywood. An effective subwoofer box can be made from plywood.Fiberglass.Standard Wood.Fasteners.Sonotube.

What do I need to make a subwoofer box?

You must have the following tools with you when you start designing the subwoofer box:1x Jigsaw1x Table saw (Circular saw)1x Electric drill with best quality bits1x carpenter’s glue bottle3 or 4 drywall screws of 21x silicone caulk1x speaker terminal cup

How to make a subwoofer box louder?

How to make a subwoofer box louderTry placing the subwoofer in the corner,as this gives you an easy 6 dB bass boost without doing much else.If that doesn’t work,make sure you’re placing the subwoofer asymmetrically. …This is a particularly useful tip if you need to know how to make subwoofers sound better in cars.More items…

How to Make a Subwoofer Box?

When you’ve almost built the box, the next step is to put a subwoofer terminal in the hole. To ensure no undesired air leaks , I use small 1/2′′ screws and silicone from the inside.

How to Cover a Subwoofer Box in Carpet?

We don’t recommend using any fancy gear to cover a subwoofer box with a carpet; I need a razor blade, spray adhesive, and a metal ruler. If you want to finish your subwoofer box with various materials, you can find more information about it online.

How to choose a subwoofer for a car?

Make sure the design is suitable for your car’s space and aesthetic. For smaller cars, choose smaller subwoofer dimensions that can fit easier and look good and provide an adequate volume rather than blasting your car with pounding bass.

What material is used for subwoofer boxes?

One typical material for subwoofer boxes is Plywood. Because it is less dense than MDF, it is lighter yet still sturdy enough to resist rattling.

How to convert cubic inches to cubic feet?

You’ll need to convert the internal volume from cubic inches to cubic feet because most manufacturers specify the recommended box volume in cubic feet. Divide the cubic inches by 1,728 to get the answer.

What is the frequency range of a subwoofer?

For consumer devices, the usual frequency range for a subwoofer is around 20–200 Hz, below 100 Hz for professional live sound, and below 80 Hz in THX-certified systems.

How thick is a subwoofer?

The most commonly recommended thickness of the material is 34″, or 0.75′′. You can use 12″ or 5/6′′ thick wood for smaller subwoofers like 6.5′′ or 8′′,

What is an isobaric enclosure?

An isobaric enclosure is a unique type of enclosure where you use two woofers and couple them together to act as a single woofer with twice as much pushing power. The biggest advantage is the enclosure requirement for this style is half of the size of the recommended sealed enclosure for the speaker.

What is a bandpass enclosure?

A bandpass enclosure uses both a sealed and a ported chamber. The woofer is mounted inside of a two chamber enclosure in the divider between them. One of the chambers is vented to the outside environment. The main advantage of a bandpass enclosure is to allow significant output through a small opening.

Why use an enclosure for a subwoofer?

The purpose of an enclosure is to improve bass response and prevent woofer damage from over-excursion. There are a few things you will need to consider before making your final selection that will ultimately affect your choice in subwoofer enclosure style. Here are some of the key points you will need to consider:

What is an infinite baffle?

Another example of infinite baffle is how speakers are mounted in the rear package trays of most sedans.

Which enclosure produces the least flat response?

The smaller bandpass enclosures produce the least flat response but can have a huge increase in output in a specific, smaller, frequency band. The last thing to consider is bandpass boxes will “mask” distortion making it harder to localize the subwoofer but with a tradeoff.

How much do you deduct for corner braces?

Deduct two inches (5cm) from a brace’s length if there are braces on both adjacent walls.

How does the size of a sealed chamber affect bass?

The size of the sealed chamber will affect the low frequency response. For deeper bass it will require more airspace, thus a larger box. The ported side tunes the upper frequency response and output level. A larger ported chamber will give a wider band of passed frequencies but will sacrifice output of the enclosure.

Basic Steps To Make a Subwoofer Box

Building a car subwoofer box, you need to consider several factors that will affect its design:

How to Calculate Subwoofer Box Size?

The most important part of any project is making accurate calculations. It is essential that you put your ideas on paper. This is where you can make any changes and without incurring any costs.

What is the Volume of a Cubic Feet?

Converting cubic feet into inches gives exactly 1728. This constant number is not subject to change. This means that 12” x12″ x12’’ = 1728 cubic inches per cubic foot.

Can the subwoofer be placed in this box?

You can see that the mounting hole diameter is 9.125 inches. Therefore, you will need to multiply this value by 2 x the wall thickness.

Factors to Consider when Designing a Subwoofer Box

You will need to consider the dimensions of the subwoofer that you are looking for, and where it will be located, especially if it is limited space in your car. The subwoofer you are building a box for is another important consideration.

How to build a subwoofer box

Once you have your design and all the materials, it’s time to begin making the actual box.

How to Use a Carpet Subwoofer Box

I use a razor blade, spray adhesive, and a ruler to cover a subwoofer box.

What is the purpose of a subwoofer box?

A subwoofer enclosure that is made correctly can increase the sound quality of your subwoofer.

How much space is needed for different subwoofer speaker sizes?

To properly make a subwoofer box at home, you need to know the right amount of space and specs needed for building the enclosure.

How to calculate the subwoofer box and get its dimensions?

o calculate the area of a rectangle or square, multiply the length by the width. The answer will give you the area inside your used measurement, be that inches or millimeters.

What is cutout diameter?

When getting the speaker diameter, the cutout diameter would be the measurement of the speaker with the mounting frame and holes. This measurement will ensure the cone and surround can clear the mounting plane of the enclosure box.

Why is it important to have a proper size box for a subwoofer?

Having a properly sized box will prevent your subwoofer from suffering damage due to over-excursion. This is the term used when a speaker is pushed past its limits.

Why vent a subwoofer box?

Building vented subwoofer boxes to specifications is highly recommended for efficiency while providing a very booming return from your low bass frequencies and tones.

How to make a speaker stand out of carpet?

First cut to size, and apply glue to the wooden. Wrap the carpet around the speaker. Be generous with the glue and use staples to hold it down until the glue dries fully.

What type of support should I use for a costume box?

I think you should have used MDF as a main support for your box building. Cardboard is a great idea. I used to build costume box and we used to use Plyboard for full on speaker box housing or MDF for small costume builts.

Why do you use direction on a bass?

It gives it a more costume look to the build. Stands out more compare it to a flush look. Also if you want play around with the direction the bass is pointing. If you up for acouple days worth of work you can make hit the way you like it by using direction to make it more acustic 🙂

Is cardboard good for car space?

Congratulations for this work. The idea of using cardboard to perfect fit the car space is excellent. The crafting stesp are well explained and the final finishing is very good .

Does an amplifier make a difference in sound quality?

I have heard that the amplifier that you are using can make a big difference in sound quality as well… It would be nice to know how much perceived difference there is as a result of changing a few different factors.

Do you need to fill a sub box with dacron?

Also, the volumes can differ for each driver based on whether you install it in a sealed or ported enclosure – and yes, filling with dacron or the like helps with sound regardless too.

How to paint fleece with resin?

Using the good mixture and the resin and hardener (as mention in step 4), take your cheapo paint brushes and start painting the fleece with resin. Cover the whole area, except where your sub will go, that isn’t necessary to do. Saturate the fleece with the resin until it becomes soaked through pretty well, it will need to dry, but once it does it should be pretty solid.

How many layers of fiberglass to fleece?

You are now on the last leg of your fiberglassing work. Add 4-5 layers of fiberglass to the fleeced area following the steps as seen in step 4. Make sure you don’t add glass to the area where the subs go, those will be cut out later.

What are the advantages of fiberglass subwoofer enclosures?

More by the author: Fiberglass subwoofer enclosures present some real advantages for a custom car audio setup. First, they can be shaped to fit a specific vehicle or space within a vehicle, taking advantage of space that couldn’t be used with a normal rectangular subwoofer enclosure. Second, if properly executed, …

How long does it take for fiberglass to dry?

(Remeber to make your shell bigger than you actually want, you will trim it down later). Wait about 2 hours until it has dried and become touchable.

What to do if you have spots on your box?

More Fiberglass Support. If you are noticing any spots on your box where there may be some weakness, due to air pockets, or thinness. Now would be a good time to add another layer of fiberglass. Try to do it on the inside of the box to keep the outside nice.

Do you have to sand a fiberglass box?

If you made this right, making sure all the fiberglass was laid good with no bubbles and the fleece was wrinkle free you should not have to sand. But chances are there a few humps, or places where it needs to be sanded a bit. Just lightly sand the area, (wear your face mask!) until the area is filed down. If you need to have a place filed in, use more fiberglass, or use bondo. If you are carpeting the box it isn’t too important to make it smooth, but vinyl or painting requires it to be smooth.

Can you remove tape from a car?

When you do remove your box from the car it is now a good time to also remove all the tape from the box, and inside of the car. Its ok if some of it sticks to the box, you won’t notice it. You should now be doing all your glassing outside of the car. Just make sure everything is dried before you place it back in the car.

How Much Time is Needed to Make a Subwoofer Box Design?

Imagine how much time you will need to calculate the length of a port by its area and the net volume of a box, then calculate the occupied volume by the port, add it to the net internal volume of a box, and only after that, calculate the dimensions of a box, taking into account the material thickness.

Why is my speaker so easy to pull out of the stroke?

Without a box, due to the lack of the necessary damper , the speaker is very easy to pull out of the stroke, this is when the coil starts to come out of the magnetic gap, it is at this point that any slight distortion of the diffuser can lead to a coil’s impact on the core (cylindrical magnetic core in the center of the coil), which leads to the detachment of the winding from the coil frame.

How long does it take to draw a box?

Next, you need to draw a box, on paper or in a program, it will take at least 20 minutes. If you want to visualize the resulting drawing in 3D, using SketchUp for example, you will also need at least 15 minutes, given that you have experience with it.

Does a subwoofer need a box?

Everyone understands that the box is an indispensable part for the proper operation of the low-frequency speaker, which is designed to work in a certain volume, without it, the subwoofer speaker will simply chase the air, while the efficiency will decrease several tens of times.

Can I build a subwoofer enclosure at home?

In this video we go over a way to make a quick subwoofer enclosure in just a few hours with no special tools. This is not the only way to build enclosures, in fact its not how I build most enclosures. However, most anyone can build these enclosures at home with this method. Don’ t settle for a prefab enclosure when you can build one cheap!

Can a car subwoofer cover bass?

Car subwoofers can cover all demands on deep bass reproduction when fitted into a suitable enclosure.

Why is my speaker so easy to pull out of the stroke?

Without a box, due to the lack of the necessary damper , the speaker is very easy to pull out of the stroke, this is when the coil starts to come out of the magnetic gap, it is at this point that any slight distortion of the diffuser can lead to a coil’s impact on the core (cylindrical magnetic core in the center of the coil), which leads to the detachment of the winding from the coil frame.

How long does it take to draw a box?

Next, you need to draw a box, on paper or in a program, it will take at least 20 minutes. If you want to visualize the resulting drawing in 3D, using SketchUp for example, you will also need at least 15 minutes, given that you have experience with it.

Does a subwoofer need a box?

Everyone understands that the box is an indispensable part for the proper operation of the low-frequency speaker, which is designed to work in a certain volume, without it, the subwoofer speaker will simply chase the air, while the efficiency will decrease several tens of times.

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