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The piano action mechanism [1] (also known as the key action mechanism [2] or simply the action) of a piano or other musical keyboard is the mechanical assembly which translates the depression of the keys into rapid motion of a hammer, which creates sound by striking the strings.
The pianos in Zumpe's style were built from about 1760 to 1800. In Zumpe's day they played a role not unlike the upright piano of today: they were more compact and affordable than the full-size wing-shaped instrument. As such, they played an important role in the spread of the piano among musicians, particularly amateurs.
Mason & Hamlin is an American manufacturer of handcrafted grand and upright pianos, currently based in Haverhill, Massachusetts.Founded in 1854, it is one of two surviving American piano manufacturers from the "Golden Age" of pianos (the other being Steinway & Sons), although some smaller piano manufacturers have since started in the United States.
On the modern upright piano, the left pedal is not truly an una corda, because it does not shift the action sideways. The strings run at such an oblique angle to the hammers that if the action moved sideways, the hammer might strike one string of the wrong note. [7] A more accurate term for the left pedal on an upright piano is the half-blow pedal.
English: Diagram illustrating the "hammer action" of a typical digital piano with under-key weights. Specific parts labeled are: Specific parts labeled are: Key
Over time, square pianos were built in larger sizes with more keys and a wider range; by the 1830s, square grand pianos predominated, with changes to their internal mechanisms and construction that produced larger sounds and used higher string tensions. Square pianos were the most popular keyboard instrument of the late 18th century, and the ...
Otherwise, it's a little weird not to have the parts of the action labeled. Chick Bowen 22:11, 1 May 2011 (UTC) Shrug. You've exceeded my knowledge of pianos. I've added the other diagram to the nom if that helps. --jjron 09:59, 2 May 2011 (UTC) It's a bit odd that the two diagrams are facing in opposite directions.
This letter dates from before the oldest-known piano (1780) by Stein with his German action. The only piano by Stein of before 1780 is the piano in the 1777 Vis-à-vis in Verona. That piano has a different type of hammer action, but also one with an escapement mechanism for the hammers. It may have been this earlier action that impressed Mozart ...