Posted by Wayne Parham [ 70.234.137.192 ] on January 05, 2008 at 11:27:36:
In Reply to: Re: Foolin' around with the RS SPL meter posted by Bill Epstein on January 05, 2008 at 10:48:53:
You're right about bass under 30Hz, especially at moderate listening levels. Deep bass isn't so much heard as felt, and you really need the power levels to be high enough to vibrate your body for infrasonic bass to be noticed. Below 30Hz or so, it stops becoming sound you hear and becomes more of a tactile sensation. See the Fletcher-Munson curve:
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