slaps = acoustic lever?

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jbell

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Joined 2003
Dumb question... but with the different size surrounds front and rear... is an earthquake slaps, effectively the same thing as dr. geddes acoustic lever? and is that why earthquake claims +6db?
 

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J

jbell

Member
Joined 2003
Earthquake claims that a combination of the 'M' surround and the big roll surround that it's linear over 1.5" of travel (3" p-p). I have to believe that the differences in the surrounds presents different pressure areas on one side vs the other, which would be a lever.

I know in earthquake subs I've watched with the slaps, I see the slaps appear to move MUCH further than the driver.

My thought was that this is a lever, and it solves the issue geddes had with having a device mfg'd that would have sufficient travel, and not prematurely fail.

If this is a lever.. another interesting part to me, is that both the slaps, and the lever are patented..
 
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