In this demonstration I am showing the difference between the sound of a single octave and a double octave. The note chosen is F7. On my 1912 Steinway model O, this is the lowest note that has an undamped octave below it. In other words, F6 is the first undamped note on this piano. I am...
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This piano, which has a one-piece, "double-iron" frame with struts in front and behind the soundboard, also features a "resonator" (US patent #55,385 by William Steinway, June 5, 1866), a whole-perimeter soundboard-compression mechanism. Another interesting feature is the "unifying bridge,"...
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