Maple  Pearwood Brazilian
Boxwood
Hinoki Rosewood Grenadilla European
Boxwood
 Soprano 442/415 - 442/415 442 442/415 442/415 442/415
 Alto 442/415 442 442/415 442/415 442/415 442/415 442/415
 Voice flute 415 - 415 - 415 - 415
 Tenor 442/415 - 442/415 - 442/415 - 442/415
 Bass 442/415 - - - - - -
  Brazilian
Boxwood
European
Boxwood
 Soprano after Bressan - 442/415
 Alto after Bressan - 442/415
 Alto after Denner 415 415
※ 442/415Hz