Source google image: https://1.bp.blogspot.com/-FGUnF_z1Emw/TgByvk6o5eI/AAAAAAAAEQc/DpvwaFPxhxU/s1600/fig1.jpg
Schema electrique haut parleur
Source google image: https://1.bp.blogspot.com/-FGUnF_z1Emw/TgByvk6o5eI/AAAAAAAAEQc/DpvwaFPxhxU/s1600/fig1.jpg