BMW E85 - Page 54

E85 Information/Communication
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Design
The design of the Carver woofer (low-range speaker) is shown in
the illustration below:
Fig. 38: Design of a Carver woofer (low-range speaker)
Index Explanation
1 Centering swing arm
2 Displacement cylinder
3 Moving coil
4 Pole core
5 Permanent magnet
6 Iron core
7 Ventilation hole
S Diaphragm displacement
KT-10094