| 摘要 |
PROBLEM TO BE SOLVED: To provide a horn loudspeaker which finely controls peaks and dips of a sound having a specified frequency at low costs.SOLUTION: A horn loudspeaker 1 includes: a diaphragm 87; a back cover 95 covering the diaphragm 87; a horn 84 which emits a sound generated by vibrations of the diaphragm 87; a phase plug 86 which guides the sound generated by the vibrations of the diaphragm 87 to the horn 84; and a subtonic part 10 which allows a space BC enclosed by the back cover 95 and the diaphragm 87 to communicate with a space enclosed by the horn 84.SELECTED DRAWING: Figure 1 |
