B♭ Trumpet
C4 on the B♭ Trumpet
Written C4 — sounds concert B♭3. Tap the diagram to hear it.
C4
Concert B♭32nd partialBeginner note
Open horn on the 2nd partial — no valves at all, just the lip choosing the slot. This is the anchor of the low register: everything from F#3 to B3 is this same slot pulled down by valves. If it keeps slipping up to G4, the aperture is too small.
About this note
Open horn on the 2nd partial — no valves at all, just the lip choosing the slot. This is the anchor of the low register: everything from F#3 to B3 is this same slot pulled down by valves. If it keeps slipping up to G4, the aperture is too small.
- Primary fingering: Open (no valves)
- Written pitch: C4 · Concert pitch: B♭3
- Sounding frequency: 233.08 Hz
- Harmonic partial: 2 — the valves set the tube length, but your air and embouchure select the partial.
B♭ Trumpet fingering data last updated . Every diagram here, in the printable PDF and in the chart image comes from one dataset, so the paper and the screen cannot disagree.