Stellenbosch DRC-North Hum Diameter Heigth Thickness Freq Note Dev 87 64 6 233 Bb0 0 Prime Tierce Quint Freq Note Dev Freq Note Dev Freq Note Dev 464,5 Bb1 -6 556,5 Db2 6 704 F2 13 Nominal Superquint Double Octave Freq Note Dev Freq Note Dev Freq Note Dev 931 Bb2 -2 1387,5 F3 -11 1900 Bb3 32