grand action
Noun
Meaning
grand action (plural grand actions)
(music) A pianoforte action, used in grand pianos, in which special devices are employed to obtain perfect action of the hammer in striking and leaving the string.
Noun
grand action (plural grand actions)
(music) A pianoforte action, used in grand pianos, in which special devices are employed to obtain perfect action of the hammer in striking and leaving the string.