B♭ Trumpet

B4 on the B♭ Trumpet

Written B4 — sounds concert A4. Tap the diagram to hear it.

B4
Concert A44th partialBeginner note
Written B4 on the treble staff

Fourth partial with valve 2, a semitone under open C5 — and the note that sounds concert A4, the 440 Hz reference. Valve 2 needs no slide correction, so B4 is a clean intonation check.

About this note

Fourth partial with valve 2, a semitone under open C5 — and the note that sounds concert A4, the 440 Hz reference. Valve 2 needs no slide correction, so B4 is a clean intonation check.

  • Primary fingering: Valves 2
  • Written pitch: B4 · Concert pitch: A4
  • Sounding frequency: 440.00 Hz
  • Harmonic partial: 4 — the valves set the tube length, but your air and embouchure select the partial.

Alternate fingerings for B4

  • 1-3: Valves 1 + 3. The same pitch off the 5th partial, used for trills; it runs sharp like every 1-3 fingering.

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.