A subwoofer is a device for reproducing low-frequency sounds, which is an indispensable component of both home and car-quality audio systems. The main parts of the design were the low- frequency speaker and the subwoofer housing. The cost of finished devices in audio stores is quite high, so many people have the question: "How to make a subwoofer yourself?" As for the low-frequency dynamics, you won’t be able to make it yourself, but even a non-professional in the field of audio technology can buy it in the store and make the case for it yourself.
How to make a subwoofer yourself? The solution to this problem begins with the selection and purchase of a low-frequency speaker: focus on the power delivered by the speaker and your budget. For most users, the speaker power of 100-200 watts will be enough, only this should not be the maximum power, but the rated power (that is, it is not issued at the peak moment, but constant, usually labeled as rsm).
The next step is to calculate the necessary box volume for your speaker: this is done using special programs that are easy to find on the Internet. As for the type of enclosure, it is better for a beginner to start by making an enclosure of the “closed box” type, after mastering the main points of the task of how to make a subwoofer yourself, you can make a box with a bass reflex, which has a higher efficiency, but is more difficult to calculate and manufacture.
Having received the volume of the case as a result of the calculations , make a sketch, the material of the box can be chipboard or plywood 15-20 mm thick. Screw connections, it is necessary to lubricate the inside with silicone sealant, it is advisable to use a reinforcing bar in the places where the parts are fastened, the speaker hole can be cut out manually or with a jigsaw, sand the edges of the hole and it is advisable to glue it with foam rubber to prevent rattling. You can buy a terminal socket in any store of electric and audio products, it also needs to be firmly fixed, and use a high-quality audio cable to connect the terminals to the speaker. After assembly, turn on the device, check its operation, nothing should rattle, and the bass must be smooth and pleasant. If everything suits you, you can move on. The final stage can be considered decoration of the case, for this it can be painted or pasted with a carpet or any other material. It is advisable to buy and install a special protective net on the speaker, or you can simply fit it with a cloth.
How to make a subwoofer in the car yourself? In addition to the following several aspects, the manufacturing process of a car appliance is no different from a home appliance. In cars, subwoofers are most often placed in the trunk, so when making the case, you need to consider its dimensions. A low-frequency speaker needs to be bought specifically for car audio systems, as they are better protected from dust, moisture and temperature extremes. After reading this article, you will know the answer to the question of how to make a subwoofer yourself.