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The strings of a piano vary in diameter, and therefore in mass per length, with lower strings thicker than upper. A typical range is from .240 inches (6.1 mm) for the lowest bass strings [1] to .031 inches (0.79 mm), string size 13, for the highest treble strings. These differences in string thickness follow from well-understood acoustic ...
Piano tuning is the process of adjusting the tension of the strings of an acoustic piano so that the musical intervals between strings are in tune. The meaning of the term 'in tune', in the context of piano tuning, is not simply a particular fixed set of pitches. Fine piano tuning requires an assessment of the vibration interaction among notes ...
Piano key frequencies. This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1][2] Every octave is made of twelve steps called semitones. A ...
Company manufactured and sold pianos under the names of M. Schulz, Walworth, Bradford, Irving, and Maynard, and Aria Divina. They were also sold under the names Brinkerhoff (from teens until about 1950s) and Schriver & Sons. Purchased by Baldwin in 1919. Wood, Small and Company was formed at John Muir's Death in 1818.
Percussion bars, such as xylophone, are hung at ≈2/9 and ≈7/9 length, and struck at 1/2 length, to reduce inharmonicity. In music, inharmonicity is the degree to which the frequencies of overtones (also known as partials or partial tones) depart from whole multiples of the fundamental frequency (harmonic series).
Stretched tuning. If the widths of the keys of a piano keyboard were stretched as the intervals between the corresponding notes are in stretched tuning, [1][2] it would look something like the above. Stretched tuning is a detail of musical tuning, applied to wire-stringed musical instruments, older, non-digital electric pianos (such as the ...
A440, piano and violin. A440 (also known as Stuttgart pitch[ 1 ]) is the musical pitch corresponding to an audio frequency of 440 Hz, which serves as a tuning standard for the musical note of A above middle C, or A4 in scientific pitch notation. It is standardized by the International Organization for Standardization as ISO 16.
HQ of Kawai Musical Instruments in Hamamatsu Shigeru Kawai Grand Piano. Koichi Kawai, the company founder, was born in Hamamatsu, Japan in 1886. His neighbor, Torakusu Yamaha, a watchmaker and reed organ builder, took him in as an apprentice.