SPEAKER WITH DUAL SUSPENSION

摘要

PURPOSE: A dual suspension speaker is provided to variously form ranges or tones of a sound wave generated in a vibration plate by forming a second suspension on the top of the vibration plate. CONSTITUTION: A first suspension unit is extended from a border of a vibration plate(10) to the outside. The first suspension unit includes a plurality of openings and bridges for providing an elastic structure. The first suspension unit is fixed with a frame(40). A second suspension unit(30) is prepared on the top of the first suspension unit. An internal terminal of the second suspension is fixed with the vibration plate. An external terminal of the second suspension is fixed with the frame. The vibration plate includes a first dome unit(11) and a first groove unit(13).