High Efficiency Speaker Asylum

Posted by Bill Fitzmaurice (P) on June 16, 2023 at 04:47:27

In Reply to: RE: So does the reduced mass of air for a given volume (fewer molecules of air per cubic in/ft/meter)... posted by Ivan303 on June 15, 2023 at 20:30:19

Air density determines the impedance load presented by the air. The higher impedance of denser air creates a more efficient energy transfer. It's the same thing that makes horns work. The higher air load impedance of a throat area smaller than the cone along with the mass of the air column creates a more efficient energy transfer than directly coupling the cone to the air.

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