Heckel Bassoon 7291

World system.

Several keys added by Laslie-high d and e; alteration of fork mechanism like German instruments, right thumb A♭ key. An extra 7000-series German-system long joint formerly owned by Don Christlieb finished to match and fit with the rest of the instrument; combination low E♭/D♭ key; reverse action low B-flat key.

Known owners: 1

Known servicing:

• Heckel - Removed G/A♭ trill key for right thumb and right first finger; added A♭ ring key; add whisper key lock for right thumb.