Bas-kromhoorn
- longName: Bass Crumhorn
- shortName: B. Crh.
- description: Bass Crumhorn
- musicXMLid: wind.reed.crumhorn.bass
- clef: F
- transposingClef: not set
- concertClef: not set
- barlineSpan: 1
- aPitchRange: 41-55
- pPitchRange: 41-58
- transposeDiatonic: not set
- transposeChromatic: not set