The entire speaker, aside from the bottom and leading, is wrapped in protecting aluminum grille. The bottom and major are made of rubber. Electrostatic loudspeaker diagram Electrostatic drivers encompass a thin, electrically charged diaphragm, typically a coated PET movie membrane, suspended involving two perforated metallic plates (electrodes). The electrical sound https://davidy715vgp0.wikiconversation.com/user