How to Tell if Subwoofer is Blown

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A blown subwoofer is a costly repair that can damage your speakers. This article will show you how to tell if your sub has been blown and why it’s important to fix it, so before you begin fixing your subwoofer, you should understand how it works.

A subwoofer converts electrical energy into sound energy, and you can feel the vibration it produces by placing your hand on the cone. If you don’t feel any vibration, then your blown component is probably a damaged or faulty amplifier. A multimeter will allow you to measure voltage and other components.

How to Test a Subwoofer’s Voice Coil

To test the subwoofer’s voice coil, you need a multimeter. This will allow you to determine the voltage and resistance in the speaker’s cone. If you don’t hear any resistance, then the voice coil is probably blown. You can also test the speaker’s suspension with the multimeter. Make sure to turn the volume up slowly while examining the cone to ensure that it’s not ripped or damaged.

Each subwoofer has its own ohms reading. A properly functioning subwoofer will give you the correct ohms reading. If it doesn’t, then it’s probably blown, so you should also check the audio source and cable.

If your subwoofer has a tear, you can use a single-layer paper towel to patch it. Just make sure to measure the size of the tear carefully. If the tear is larger than the voice coil, you can use glue to seal it. You can then test the voice coils on the backside of the subwoofer. Remember, this is not a DIY job and you should consult a professional if you don’t understand the process.

Easiest Way To Test a Subwoofer

The easiest way to test the cone of a subwoofer is to put it in a cabinet and play bass-heavy music. If you are able to pull the cone and it moves easily, then it’s a good sign. If you have to repair the subwoofer, it’s worth looking for a reputable service. This way, you’ll avoid unnecessary expenses.

A blown subwoofer lacks bounce, which means it’s not working. The blown subwoofer can be hard to diagnose, but if you’re lucky, it’s still a great purchase. You can repair it yourself, or take it to a repair shop. Once you have it inspected, it will be easy to find out which parts need replacement. If it’s the cone, you’ll need to make sure that the whole unit isn’t too stiff for it to work.

A blown sub is a dangerous component that can cause a lot of damage. If you’re concerned about its safety, make sure you check its electrical connections. If you find a blown sub isn’t producing sound, check the wires and check the motor structure. If the wires are connected, it’s a sign that your subwoofer isn’t working properly.

Tips

The first step in diagnosing a blown sub is to remove it from the speaker. Once it’s removed, you should replace the driver, the spider, and the voice coil. Often, a blown sub will not function properly if it’s plugged into the wall. If the wires are loose, you’ll need to replace the unit. If it’s loose, you should replace it.

If the subwoofer doesn’t have an external power source, you can try to test its voice coil. In this case, it’s likely to be blown if the cone doesn’t move. If you feel a distorted voice, you should contact a technician for a replacement. Then, you can continue testing to determine the problem. You may also want to consider fixing the subwoofer if it’s faulty.

You can also test the subwoofer with a standard multimeter. It’s easy to use and will give you a reliable reading. Simply disconnect the power source and the audio input and remove the subwoofer. Insert the black probe into the negative lead and the red probe into the positive lead. Once these two parts are separated, you can try to replace the damaged one. 

 

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