Roy's Big Bang® Cannons - Decibel Information

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Roy's Big Bang® Cannons

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Decibel Information

The BIG-BANG® Theory
Typical Sound Pressure Levels of Various Sources
(At Indicated Distances to Ear, Where Appropriate to Specify)

Chart
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Decibal Chart

NOTE: Sound May Be Audible Below 0 dB SPL; This Value Was Based On Limited Research.
*Note that some anechoic chambers may be very noisy; the fact that a chamber does not reflect sound internally does not mean it effectively blocks external sounds from entering. Negative SPLs, while possible, are not given since, by definition, they are below the threshold of audibility.