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Title:
CBH Viennese fortepiano action
Description:
More harpsichord stuff @ www.hpschd.nu Carey Beebe demonstrating the Viennese fortepiano action on a Stein action model built by Philip Belt, New Haven CT 1984. The distinguishing feature of the Viennese action is the suspension of the leather-covered hammer in a fork (called the kapsel), set into the rear of the key. When the key is depressed, the beak end of the hammer shank catches under the hook of the sprung prell lever. The hammer is allowed to travel almost all the way to the string, and at the last minute the prell flips back and the beak leather slides up the face of the prell, effecting the escapement. The hammer rebounds from the string, and (in later actions) is caught by the leather of the backcheck until such time as the key is released, allowing the whole cycle to be repeated.
Author:
hpschdnu
Tags:
fortepiano, pianoforte, piano, Mozart, harpsichord, hpschdnu,
CBH Viennese fortepiano action
Description:
More harpsichord stuff @ www.hpschd.nu Carey Beebe demonstrating the Viennese fortepiano action on a Stein action model built by Philip Belt, New Haven CT 1984. The distinguishing feature of the Viennese action is the suspension of the leather-covered hammer in a fork (called the kapsel), set into the rear of the key. When the key is depressed, the beak end of the hammer shank catches under the hook of the sprung prell lever. The hammer is allowed to travel almost all the way to the string, and at the last minute the prell flips back and the beak leather slides up the face of the prell, effecting the escapement. The hammer rebounds from the string, and (in later actions) is caught by the leather of the backcheck until such time as the key is released, allowing the whole cycle to be repeated.
Author:
hpschdnu
Tags:
fortepiano, pianoforte, piano, Mozart, harpsichord, hpschdnu,
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