Beaufort West Anglican Church 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 41.5 32 3.7 649.5 E2 -25 990.5 B2 4 1339 E3 26 1687 Ab3 26 2230 Db4 9 3305 Ab4 -9