| 21. | The idea hence followed of putting a microphone directly in the sound box, which gave a more precise result.
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| 22. | He demonstrated his apparatus to the Royal Society by magnifying the sound of insects scratching through a sound box.
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| 23. | The instrument's sound box is made from a bottle gourd, which is covered on the playing end with snake skin.
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| 24. | Camac s solid-body harp had neither a sound box nor soundboard, and equipped with a piezoelectric microphone on each string.
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| 25. | The Appalachian dulcimer ( or mountain dulcimer, or lap dulcimer ), is a scheitholt fingerboard mounted on a larger sound box.
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| 26. | The installation of the lift meant that the previous ladder access to the lighting and sound boxes could no longer be used.
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| 27. | The circular sound box ( qQ�?{ ) body is made of a combination of front board, back board and side board.
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| 28. | The sound box of the instrument is covered with a tightly stretched kidskin or lizard-skin, as in a rabaab or a sarod.
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| 29. | In 1972, the first Camac harp model was offered for sale, the Bardique " : an instrument with a plane-parallel sound box.
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| 30. | Around 1900 B . C . arched harps in the Iraq-Iran region were replaced by angular harps with vertical or horizontal sound boxes.
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