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How to Tell if a Home Theater Subwoofer Is Blown?


Do you remember the day you got your subwoofer? It must have been a good feeling, right? Automatically, your audio experience improved, and you got the best from the home theatre.

Fast forward and months, or years down the line, you start to notice that your subwoofer is not producing the same sound as before. The music is somewhat distorted, static and you don’t enjoy it at all. There are days that your subwoofer won’t light up at all.

It concerns you, and you wonder what could be the problem. You ask yourself whether your subwoofer is blown. To answer this, https://wooferguy.com/signs-of-a-blown-subwoofer/ recommends that you examine a few things. Follow the steps below to determine whether the subwoofer is blown and what you need to do afterward.

1) Physically Examine the Subwoofer

If you think that your subwoofer is blown, you ought to do a physical inspection. This involves removing the cover of the sub and carefully checking whether the speaker has issues. You need to follow the manual on how to open the sub to avoid any damages. Once you open it up, you need to scrutinize the cone of the speaker.

Using your hands, gently push the speakers and see how it reacts. The cone is built in a suspended way so that it moves freely when playing. If you gently press the cones and the speaker and there is no movement whatsoever, the sub is most definitely blown. If you happen to push the speakers and the movement is too much, that could be an issue as well. If there are scratching sounds, that’s could also be a sign of trouble.

2) Test the Coil

Many parts within the subwoofer could cause issues. One such component is the coil which is an integral part. It comprises a positive and a negative terminal. For you to thoroughly test the coil, you need to have a multimeter.

With the help of the multimeter, test the current, voltage, and resistance of the coil.  It is paramount to turn it off first and then remove the coil from the subwoofer. Attach the positive and negative terminals with those of the coil. If it’s too much, that could be an issue, if its too little that could also spell danger. 

3) Test the Sound Quality

If you feel like your subwoofer is blown, you can inspect the sound quality first to know if you have any differences from before.

This is one of the easiest and fastest ways to know if your sub is blown. When testing the sound, the main aim is to find out if any issues may arise from the change in volume. You can start by turning on the sub and playing audio on a low volume. From here, you can crack up the volume, slowly noting any differences that may arise. Through sound check, one can quickly know if the sub is blown or not.

What Happens When the Subwoofer is Blown?

This is a common question as some may misinterpret a slight change in the subwoofer as being blown. A subwoofer being blown is a big issue as it led to you replacing the whole gadget in its totality.

A blown subwoofer will completely alter the quality of the sound or in some cases, go completely quiet. And no, it’s not the silence you experience briefly, and then everything goes back to normal, it is the kind that does not change in a long time. When you encounter this with your subwoofer, then it’s blown.

What are the Main Causes of a Blown Subwoofer?

In most cases, two main issues may cause a subwoofer to blow; too much power or signal. If you overfeed power for the subwoofer, there is only one outcome, and the powerful machine will crash.  If the subwoofer is also receiving too much signal from the amplifier, it will blow in the long run. Balancing both the power and the signal will add some life to the subwoofer. 

Other issues that may cause the subwoofer to blow are a clipped signal or too much pressure on the speakers. A clipped signal, or what is also known as a distorted signal, causes extensive damage to the subwoofer. It starts with a simple distorted signal which leads you to increase the volume to listen better. The act of increasing the volume to listen to a distorted signal ends up blowing the subwoofer. For more information on other signs of a blown subwoofer visit WooferGuy.com

Final Thoughts

Having a blown subwoofer is one of the most dreaded moments in the life of home theatre enthusiasts. It sucks the life out of you, and you wonder what to do. Many things can cause your sub to blow. It may be a simple thing like a torn speaker, or it could be a resistance issue with your coil. Whatever the case, having a blown subwoofer suck. 

There are those cases when it is tough to know if the subwoofer is blown. You try to do all the things listed here, but you can’t tell if the subwoofer is blown. If this sounds familiar, it may be time to call in the experts. If there any issues with your subwoofer, an expert is the only way to be sure. You can get one for the manufacturer or your local experts. 

To avoid some of the issues that may lead the subwoofer to blow, it is crucial to take some precautions. For starters, it is essential to buy a quality subwoofer. The quality of the subwoofer should be one of the most critical areas that you should consider. Substandard subwoofers tend to be cheaper than the rest, and they have cheeky names. Be careful. 

You also need to take care of your subwoofer. Continually maintaining the subwoofer may lead it to lasting way longer than you can imagine. The small things also play a big part in blowing your subwoofer. Always keep the right balance and avoid high volumes all the time. The better you manage your sub, the longer it will last. 

Ali Dino
I am a professional blogger share guide about the Technology, Internet, WordPress, Blogging tutorial, SEO techniques, and getting traffic to the Site. I love to learn new things related to latest technology, if you have anything in your mind please do share with me at alidino15ch28@gmail.com

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