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Pitch is determined by the frequency of a sound wave. On a guitar or piano, the wave is established on a string, but in a wind instrument like a Trumpet, Flute or tuba, the wave is established in the column of air inside the horn. The longer the column of air, the slower the wave will be, and slower waves produce lower pitches. It's just like on a guitar, where the longer portion of a string that's allowed to vibrate, the slower the wave and lower the pitch will be. All that piping in a tuba encloses a very long column of air, so its pitch is low, while the short pipe of a flute produces a high pitch.

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Wiki User

11y ago
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Wiki User

12y ago

its really long, and the longer/bigger an instrument is, the lower it plays

trombones look longer than tubas, but if you stretched all the pipes of a tuba out, it would be pretty long

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Anonymous

Lvl 1
3y ago

my answer is shut up

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Q: Why does a tuba make a low pitch sound?
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