How do crickets make such a loud noise with their tiny legs?
In: Physics
The bottom of a cricket wing is covered with teeth-like ridges that make it rough. The upper surface of the wing is like a scraper. When crickets rub the upper and lower parts of their wings together, they create a chirping sound called “stridulating.” -goog
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because they evolved a more efficient mechanism to convert mechanical energy into sound energy by squeezing the air instead of pushing it.
It is so much better, that Physicist Dr. Oscar Heil copied it to make a tweeter that is 5 times as efficient as the Kellogg and Rice loudspeaker patent of cone, magnet and voice coil. The Heil “Air Motion Transformer”tweeter is also faster and lower distortion than conventional dome or cone tweeters.
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