Can someone explain db sensitivity?

Can someone explain speaker db sensitivity,What it means and what is considered good? Thanks

jcb200007-28-2001 2:11pm

subaruguru Details Discussions Posts This discussion Message User 1,376 posts 10-12-2001 at 11:37pm Copy Comment URL Report Comment Edit Delete I thought a 6dB difference is perceived as "doubly" loud (4x power), not 10 dB. Someone clarify this? Isn't it a surface area, and therefore geometric (squaring) function for loudness, and not a logarithmic one? Ern