| 摘要 |
Membrane for a loudspeaker, transducer or the like wherein the membrane is limited by an outer edge and an inner edge where between said edges the membrane material is present, and where the outer edge of the membrane is a polygon seen in a plane view and the inner edge is circular seen in a plane view, wherein the membrane comprises a first cone which first cone between the inner edge and the outer edge has one or more additional cones superposed the first cone, which additional cone(s) is/are glued to the first cone.
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