Prince Albert DRC 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 Bell 1 53.5 41 5 530.5 C2 23 768 G2 -35 1127 Db3 28 1585 G3 18 1915 Bb3 46 2826 F4 19 3811 Bb4 37 Bell 2 61.7 46 5 392.5 G1 2 598 D2 31 816.5 Ab2 -29 1147 D3 -41 1386.5 F3 -12 2066 C4 -22 2830.5 F4 22 Bell 3 86 60.5 6.1 265.5 C1 25 398 G1 26 554 Db2 -1 753.5 F#2 31 947 Bb2 27 1424 F3 33 1958.5 B3 -14