He aha ka uea pitch pitch?

Hoʻohana ʻo Takumi i kahi uwea pitch variable e hana i ke kūpaʻa e pono ai ke kānana i ka RFI i hana ʻia e kahi ʻōnaehana hoʻoheheʻe hana. ʻO ka ʻōnaehana pitch variable e hoʻololi i ka ʻeha a me ka wehe ʻole ʻana i ka uea keleawe a puni ke kikowaena o ka uea plug e hana ai i kahi māla magnetic, e hana ana i ke kūpaʻa pono me kahi hapa o ka impedance i loaʻa i loko o kahi ʻano uea carbon core paʻa.