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Question

Accepted Answer

The spider has been neglected by many speaker brands, considering it as the "k[mm/N]" which allow to adjust Fs[Hz] according to the existing moving mass.  
The strength of conventional spider isn't linear, and its variation gives rise to Fs[Hz] variation according to cone excursion. 
As a consequence, the bass response depends on sound pressure. 
- We have developed an exclusive corrugation profile which keep constant Cms[mm/N] on the full excursion.     The non-linearity measurements and the listening session show the merits of our innovation

Innovation - Suspension

. dynamiK spider

Crédit photo: .Kartesian company

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Crédit photo: .Kartesian company