Heckelphone
- longName: Heckelphone
- shortName: Hph.
- description: Heckelphone
- musicXMLid: wind.reed.heckelphone
- clef: not set
- transposingClef: G
- concertClef: G8vb
- barlineSpan: 1
- aPitchRange: 45-75
- pPitchRange: 45-78
- transposeDiatonic: -7
- transposeChromatic: -12