…In 1916, H. Winterhoff of the American company Leedy noticed that steel soundboards have a longer reverberation than wooden ones, and invented an instrument in which tuned steel keys were arranged like a xylophone and the amplitude of the vibrations was changed. At the time, the instrument only had two rows of resonating tubes arranged under the soundboard that could be moved up and down alternately, but it was later improved by J.C. Deagan into the instrument we know today. This instrument has small rotating disks attached to the top of each resonating tube attached under the aluminum alloy soundboard, and by rotating these with a motor, the resonating tubes open and close, causing the sound to fluctuate. … *Some of the terminology referenced in "Deagan, JC" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…1916年アメリカ・リーディ社のウィンターホフH.Winterhoffは鋼質音板が木質音板より余韻が長いことに着眼し,調律された鋼鉄鍵盤を木琴のように並べ,その振動の振幅を変える楽器を考案した。当時は音板の下に2列に並べた共鳴管を交互に上下させるだけのものであったが,後にディーガンJ.C.Deaganにより今日のように改良された。これはアルミニウム合金製音板の下に取り付けられた各共鳴管上部に小型回転円盤を取り付け,それをモーターで回転させることにより共鳴管を開閉し音を揺らせる。… ※「Deagan,J.C.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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