Zachariah Mcmillan

2022-12-29

Why are the stringed instruments like guitar provided with a hollow sound box ?

Dane Brennan

Expert

The sound box is designed so that the natural frequency of the air column inside it is the same as the natural frequency of the strings strung across it. The air column inside the box is now compelled to vibrate when the strings are commanded to do so. Due of the sound box's high surface area, it causes a significant amount of air to vibrate at the same frequency as the string-producing resonance. Consequently, a loud sound is audible as a result of this resonance.

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