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Dec 20, 2016
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Dec 21, 2015
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Abstract
Embodiments of the present disclosure are directed to an apparatus for generating a sound effect. The apparatus may include a hollow body, which may define at least partially a cavity. The body is open at a first end and closed by a membrane at the second end. The apparatus may further include a spring attached to the membrane on the second end of the body, a motor removably or fixedly mounted on the body, and an eccentric weight removably or fixedly attached to the motor and configured to rotate with the motor when the motor is activated.
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