Why do Sound Reinforcement Subwoofers have such low excursion, but put out such high SPL at low frequencies?
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Compared to a High- 1-2" excursion subwoofer of the same size and cabinet structure I mean some can play a 30 Hz signal across a football stadium and reach super high SPL without even seeing the speakers moving
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Answer:
The simple answer is that the larger the speaker's surface area, the shorter the excursion it need make to produce a really low note.
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