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Originally Posted by steviej
Yup, a 3dB increase is double the 'loudness'..............
........i.e. if you have one monny on tickover chucking out 85dBs then add another one chucking out the same the total dB would come out at 88dB.
So 81 to 90 is: 2 times, then 2 times, then 2 times again.
Confused.........you will be!!!!!  |
Tests with a 'sample' of humans, indicated that it took a spl increase of 10 to 11 dB before the 'sample' judged that the sound was twice as loud.