FIELD: musical instruments; acoustics.SUBSTANCE: present invention relates to a bayan musical instrument, namely to a switching mechanism of a three-row bayan keyboard. Switch mechanism of the right three-row or five-row bayan keyboard comprises a rotary shaft fixed by means of bearings on the side walls of the inner part of the right half-casing of the bayan, and is equipped with L-shaped lever with movably installed on it pusher, fixed by means of bearing in top plate of right half-case of right keyboard, rotary shaft is equipped with posts, movably connected to the combs having the holes with the possibility to displace the holes of the combs relative to holes of harmony voices for their opening.EFFECT: proposed invention simplifies the device by reducing the number of movable parts while expanding the functional musical capabilities of the right bayan keyboard, which are determined by its use in all harmonics.1 cl, 2 dwg
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