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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: RE: resonance posted by ffrr on August 25, 2007 at 17:39:20:
On a piano, though, the tuning isn't really well-tempered. It's based on equal temperament, but the piano tuner will "stretch" the tuning in the upper and lower registers. There are several methods, but usually it is centered around middle A, which is 440 (or 442 for some orchestras). In a nutshell, the higher notes are tuned "higher and higher" as you continue up the keyboard, meaning that the octaves aren't perfectly clean but slightly "sharp". The notes below A440 are tuned "lower and lower", in the same manner. So the octave below A440 isn't A220, but slightly lower. The lowest A on the piano is in fact tuned 20 cents of a semitone lower, and the highest C is tuned as much as 30 cents of a semitone higher. There are tuning charts that show excactly how much one should detune the notes to achieve this, but many piano tuners rely entirely on their ear and a tuning fork!
The reason for "strectch tuning" is that the piano simply sound fuller and more satisfying to the ear. A Hammond organ, on the other hand, is not stretch tuned.
So in reality, there's no string inside a piano that would resonate at 110 Hz, if it was tuned properly.
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Follow Ups
- RE: stretch tuning - a side note - Peter Olofsson 08/25/0719:42:27 08/25/07 (1)
- It is the soundboard that resonates and you can read this with a piezzo electric pickup. - tubesforever 00:41:12 08/26/07 (0)
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