In Reply to: 90 db at a lower frequency is not that loud posted by ph5y on April 15, 2017 at 14:20:29:
That's because the ear is less sensitive at low frequencies unless the level is very high. Off the top of my head our ears are flat at low frequencies around 100 dB. Look up Fletcher/Munson affect on Google.
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- RE: 90 db at a lower frequency is not that loud - hahax@verizon.net 15:33:57 04/15/17 (0)