Why Did My Speakers Blow?

car speakers

Almost everyone who has ever owned a speaker has faced the problem of them ‘blowing out’. What this essentially means is that the speaker can literally blow and tear apart. It may be quite visible, or in some cases, manifest itself in the form of muffled sounds. Regular maintenance and proper usage of the speakers go a long way in ensuring that they do not blow. This sure reduces the chances of it happening, but there is no guarantee that your speaker will not blow out. If it does happen, then it is best that you show your speakers to a trained mechanic. A good mechanic will identify the reason behind it, and help you prevent such accidents in the future. There are many reasons as to why your speakers may blow up.

The speakers generally blow due to a problem in the voice coil and/or the diaphragm. So, when a speaker is connected to the power source, electricity moves to the voice coil, which converts it into sound waves. Then, these sound waves vibrate the cone. Now, anything that leads to high or distorted vibrations in the cone will lead to the speakers blowing up. The cone is not designed to tolerate such a kind of vibration and gives away.

One of the primary reasons for this is supplying high power to the speakers. This causes the speakers to blow by producing an inordinate amount of heat. It can so happen that the huge power surge in the circuit may melt the circuits and take the speakers out. Make sure that you do not over work the speakers or supply more power than needed. Otherwise, the circuits will burn away and there will be no sound produced by the speakers.

Since high power is a known cause of speaker blow out, it is only natural for people to assume that using lower power would keep the speakers safe at all times. If you have an amplifier that does not match with the power requirement of the speaker or if it is faulty, then it may supply less power to the speaker. In turn, this produces a faulty vibration. The diaphragm and the cone have to suffer through the distortion in sound, and they are not designed to withstand that. This leads to a great disturbance leading to the blowing out of the speaker.

The most common event preceding a blown up speaker is a loud party the night before, when the speakers were blasted for a long time without rest. What happened was either the power surge was high or the amplifier was not properly handled. This could be connecting an amplifier directly to a device on full volume. This creates a loud vibration in the speakers, leading to their blow out.

All in all, power distortions, mismatching the amplifier and the mishandling of the equipment are the major causes of the speakers blowing up. However, if you are not able to figure out the reason in your case, then take it to a repair shop and they will find out for you. Depending on the extent of damage, a speaker may or may not be able to be repaired.

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