… be amplified, electrically (for example, organs, guitars, accordions). …
Explanatory notes
… be amplified, electrically (for example, organs, guitars, accordions). 9207.10 ‑ Keyboard instruments, other than … edges under the pole of the associated magnets; this causes variations in the fields which in turn set up weak current … “free‑reed” moves across a pole of a permanent magnet, its vibrations producing variations in the magnetic field set up …