Beaufort West DRC Gamka East Hum Prime Tierce Quint Nominal Superquint Double Octave Diameter Height Thickness Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev 83 68 5.9 230.5 Bb0 -19 464 Bb1 -8 556.5 Db2 6 649 E2 -27 934 Bb2 3 1404 F3 8 1942 B3 -29