Clarinette Basse en La (Clef de Fa)
- longName: A Bass Clarinet (Bass Clef)
- shortName: A B. Cl.
- description: Bass Clarinet (Bass Clef)
- musicXMLid: wind.reed.clarinet.bass
- clef: not set
- transposingClef: F
- concertClef: F
- barlineSpan: 1
- aPitchRange: 36-74
- pPitchRange: 36-78
- transposeDiatonic: -2
- transposeChromatic: -3