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Sound may be best described as the rapid passage of pressure fluctuations through bonded material by means of a vibrating source and transmission medium.

The sounding is created when normal plant compressed air enters the Wave Generator this forces a diaphragm which acts a little like a reed to allow pulses of air into the horn section. The frequency of the sound is then dependant on the size and shape of the horn section.

Both are very important, the frequency provides the correct number of debonding pressure fluctuations and the dB provides the necessary energy to successfully complete the job.