Patent ID: 8798303
Filing Date: 2014-08-05
Classification: H04R

Abstract:
1. A horn amplifier comprising: a horn; and at least one speaker member with at least one spherical sound source; wherein the horn has at least one throat portion and one voice port opened from the throat portion toward outside, the bottom surface of the inner side of the throat portion of the horn having an open, the spherical sound source of the speaker member connecting with the open, the inner side of the throat portion having at least one S-type sound-guide board, the sound-guide board being made as a plurality of paths in order to let spherical sound waves from the spherical sound source of the speaker member enter into the paths, then the spherical sound waves being transformed into plane sound waves, the plane sound waves being delivered to outside through the inner structure of the horn; and the case of the throat portion is shaped as S-type, the inner side of the throat portion having two S-type walls.