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PVC Nathan M5 train horn vs Nathan Airchime K5LLA decibel test

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Uploaded on May 8, 2011

I am testing the decibel levels of a set of 12v GM Cadillac horns, my PVC Nathan M5 homemade train horns, and my Nathan Airchime K5LLA {real train horns}. I was quite surprised by the results. Although the decibel reading was very close between the PVC horns and the K5's, a 3 decibel difference between the two means that the K5's will sound twice as loud as the PVC horns to the human ear. None the less the PVC horns are deafening loud.

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