Planar Speaker Asylum

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RE: Apogees and ethics - comments

Posted by JLindborg on February 15, 2012 at 08:20:46:
Well, one fact is and would be that a ribbon in its loose suspension does mostly have air as restriction and load.
Compare that to a membrane that is suspended and stretched!
The stretching in itself is a very strong force that directly affect dynamics as it is actually forced not to move but still does due to flexing in material.
As a perfect example of this is electrostats that really needs a pretty strong suspension that actually forces the membrane to its stationary place between the stators.
This because it would otherwise automatically get attracted to one of the stators and get stuck.
The solution to this is make the membrane area larger to compensate for the lack of motion.
This of course is mainly true in the bass region where large excursion is needed.