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In Reply to: Sideways... posted by Al Sekela on March 11, 2007 at 16:27:14:
AlThere must not be a significant difference front vs back. My previous thoughts were about the differences due to the pole pieces on one side causing uneven force and control on the mylar diaphragm. The "inverse square law" means there is more force on the mylar when it is on the pole piece side of it's oscillation and less when it is away. I didn't mean absorbtion. I mean actual differences in attraction/repelling forces as the mylar's distance from the pole pieces changes.
Additionally, if there is a significant difference, it seems like this would create a bias on the mylar diaphragm. Sort of a pressure bias as the diaphragm is being driven. I guess this would just load the mylar until it found it's equalibrium point (but, that would change with signal strength. Also with signal frequency and the natural frequency of the mylar diaphragm).
Thanks,
Mike
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Follow Ups
- Re: SPL - front vs back - DragonEars 19:56:56 03/11/07 (0)
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