| 摘要 |
PURPOSE:To prevent damage of stamp or a label on the bottom face of a plate by providing protrusively a projected part on the flat bottom face of a plate provided with a center pole. CONSTITUTION:An annular projected part 14a is protrusively provided on the outer periphery of the bottom face of the plate 14 provided with a center pole. Stamping and sticking of label are made on a flat part 14b surrounded by the projected part 14a on the bottom face of the plate 14. By above-mentioned constitution, the flat part 14b on which stamping or sticking of label is made does not come into direct contact with a floor face 24 when the loudspeaker is put on the floor face with the plate down, and there is no possibility of lowering of quality. |
