Loudspeaker with phase plug
AssigneeAsk Industries Societa' Per Azioni
InventorDario CINANNI
Life of this patent
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Abstract
A loudspeaker comprises: a magnetic assembly defining an air gap, a basket containing the magnetic assembly, a voice coil arranged in the air gap, a cylindrical support supporting the voice coil, and a diaphragm connected to the cylindrical support of the voice coil. The diaphragm is annular and has an outer edge connected to the basket and an inner edge around a central hole, and connected to a central support. The diaphragm has an annular channel with concave shape when viewed from above. The loudspeaker comprises a phase plug with annular shape arranged in the annular channel of the diaphragm so as not to interfere with the movement of the diaphragm.
Claims12
A loudspeaker comprising:
- a magnetic assembly defining an air gap;
- a basket containing said magnetic assembly;
- a voice coil arranged in the air gap;
- a cylindrical support supporting the voice coil;
- a diaphragm connected to said cylindrical support of the voice coil, said diaphragm being annular and having an outer edge connected to the basket and an inner edge around a central hole connected to a central support arranged on said magnetic assembly;
- wherein said diaphragm has an annular channel of concave shape when viewed from above;
- and
- wherein said loudspeaker comprises a phase plug with annular shape arranged in the annular channel of the diaphragm so as not to interfere with the movement of the diaphragm.
Dependencies are inferred from the claim text.