Ranges (Low Flutes)
(*TQ= Tonal Quality)
Alto flute (4th below) G3-G6/ TQ changes around D5
Bass flute (octave below) B2-C6/ TQ changes around A5 (some models do not have B2)
Contrabass flute (two octaves below) B1-C4/ TQ changes around G3 (some models do not have B2)
Sub-Contrabass flute (three octaves below) C1-G2/ TQ changes around D2 (Kotato Double Contra may have wider range)
Hyperbass flute (four octaves below) C0-G1/ TQ varies greatly on different tones (from C1- F1 tones are strong and pitch correct) *This instrument of course is still in a prototype stage and active research is being completed for a fully functioning model in 2012-13.