The clavichord is a Musical instrument which goes back to the medieval Tympanon, it is the predecessor of the Piano-forte which itself generated the modern piano. The plan is connected with that of the Virginal. The keyboards until the practice of the pianoforte were the Clavecin S, the Orgue and the clavichord.
The clavichord is built on a rigid bottom, the Sounding board occupies only the right part of the instrument, so that one can see the keyboard through the cords.
In the clavichord the cords are struck by a metal part called “tangent”, according to a mechanism much more elementary than that of the Piano-forte and even more than that of the modern Piano. When the tangent strikes the cord, it separates the cord in two parts: one free, vibrating, whose Fréquence - height of the note - depends on the length between the end and the tangent (creation of a node of vibration), the other choked by a band of felt placed at residence - there is thus no mobile choke as on a Piano. Continuity between the finger of the instrumentalist and the tangent allows some vibrato . The clavichords known as “dependant” use this property to cause production of several different, but nonsimultaneous sounds by a single cord - with the manner of a Guitare. They ask for a technique of play much more specific than the “nondependant” clavichords where there is a cord by its émissible and whose technique requires as much clearness than on a harpsichord.
The clavichord emits a very discrete sound and it is thus only one instrument of study, and not in concert - one can still see that of Mozart in his house of Salzburg. Its repertory is that of the harpsichord, within the limit of the technical possibilities of the single keyboard and of its extent - some octave S only.
The clavichords are built by the Facteurs of harpsichords. The first clavichords appear at the end of the Moyen-âge. Their old name is manichordion. Their manufacture ceases at the beginning of the 19th century, before beginning again at the beginning of the 20th century, to in practice meet the need for revival of the old Musique.
In the Years 1950, an electric model of Piano inspired of the clavichord was invented; it is about the Clavinet. This keyboard does not have a case of resonance, the cords are metal and their vibrations amplified using electromagnetic sensors (Microphone S).
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