F tuba with 3 or 4 valves: every note and the valves to press, with the usual alternatives.
G♭1*
G1
A♭1
A1
B♭1or 1+4
B1or 1+2+3
C2or 1+3
D♭2
D2or 3
E♭2
E2
F2
G♭2or 1+2+3
G2or 1+3
A♭2
A2or 3
B♭2
B2
C3
D♭3
D3or 3
E♭3
E3
F3
G♭3or 3
G3
A♭3
A3
B♭3
B3
C4
D♭4
D4or 3
E♭4
E4
F4
G♭4or 3or 2
G4or 0
A♭4
A4
B♭4
B4
C5
* Needs a compensating tuba or a 5th valve.