Why does high volume damage speakers. And why are TVs designed with the option to go so high if it damages them
In: Technology
Speakers work by moving a cone back and forth with a magnet which creates sound waves in the air. To make something louder, you need to move the cone a bigger distance.
Rapid movement over bigger distances can physically damage a cone. Also, the higher you go with volume, the more distortion which can also cause damage.
The reason TVs have settings beyond the damage threshold is that input ‘line level’ us not normalised, so some inputs are quieter and need more amplification.
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