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Every system has a particular frequency that it tends to vibrate at. For instance, if a string on a guitar is plucked that string will vibrate very near or at its resonant frequency. By driving a system at its resonant frequency, very large displacements relative to the input signal strength can be achieved. Driving a buzzer with an input signal that has the same frequency as the buzzer’s resonant frequency will create the greatest SPL with the least input power.
PTM Published on: 2011-10-25
PTM Updated on: 2021-10-11
