Source google image: https://2.bp.blogspot.com/-8eGP0mtGFpg/TcaHWOEJzCI/AAAAAAAACw4/FPrCB3ieBUA/s1600/fig12.jpg
Schéma electrique haut parleur
Source google image: https://2.bp.blogspot.com/-8eGP0mtGFpg/TcaHWOEJzCI/AAAAAAAACw4/FPrCB3ieBUA/s1600/fig12.jpg