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Table 4
Blocks associated with the port-Hamiltonian formulation (3) for the loudspeaker model 2 depicted in Figure 10, where the Lorentz force factor is 
with the magnetic induction in the air gap 
and the position-dependent effective wire length 
defined in (24). See definitions and notations in Section 4.
| Storage | ||
| State: | Energy: | |
 |
 | |
| Dissipation | ||
| Variable: | Law: | |
 |
 | |
| Ports | ||
| Input: | Output: | |
 |
 | |
| Structure | ||
 , | ||
 ,  , | ||
 . | ||
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