Trio Kabushiki Kaisha

Hideaki Kanda

Hideki Ogawa

Shiro Iwakura

Yutaka Mae

Sigeyuki Koga

A speaker system comprising a speaker cabinet having a forward baffle plate, two side plates and a rear plate, a passive diaphragm, a speaker mounted in the baffle plate of the speaker cabinet, an opening disposed in the baffle plate next to the speaker as an outlet for the sound radiated from the passive diaphragm, a dividing plate slantedly disposed between the baffle plate and the rear plate of the speaker cabinet, the dividing plate dividing the speaker cabinet into a first part including the speaker and a second part including the opening, the passive diaphragm being mounted in the dividing plate.

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Tokyo, Japan

Hideaki Kanda