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6. Floorstanding speaker
The search for processes that extend the bandwidth to the extreme low frequencies naturally leads us to consider an inertial solution.
Assuming that the closed enclosure increases in natural frequency, we can replace the cavity with an open pipe so that the natural frequency increases from :
m L being the virtual mass induced by the column. The disadvantage of this method is that, beyond its limit of validity...
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Floorstanding speaker
Transmission line enclosure
