Jack

DEFINITION

In a harpsichord, clavichord, or virginal, the jack is the device attaching the plectrum to the key, enabling the depression of the key to cause the plectrum to pluck the string.In a piano, the jack is the pivoted, vertical lever that causes the hammer to rise when a key is depressed.<br><br> A connector mounted on the case of a device or on a panel.

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