i don't have the greatest understanding of how speakers work, so correct me if i... | Hacker News

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		onethree on March 14, 2013 \| parent \| context \| favorite \| on: Berkeley creates the first graphene earphones i don't have the greatest understanding of how speakers work, so correct me if i'm wrong, but wouldn't an increase in energy efficiency (making the speakers easier to drive) mean that for the same volume level on a source, the graphene speaker be louder? i sometimes find that at lowest level my headphones can be a bit to loud in some quiet environments, so graphene headphones would be even worse

hmottestad on March 14, 2013 | [–]

It's simple enough to put a resistor on the headphones, which usually has a tendency to change the sound (mostly increasing bass).

svantana on March 14, 2013 | [–]

on the contrary, having good efficiency leaves headroom for applying a passive electronic filter, effectively flattening the frequency response.

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