The Celesta action
Schiedmayer is today worldwide the only manufacturer of the Celesta as invented and patented by Victor Mustel.
Only Schiedmayer uses the Celesta action developed by Victor Mustel and specified in his patent:
- The felt hammer is set in motion by pressing the key.
- The felt hammer strikes the steel sound plate from above.
- The sound plate is placed above a wooden resonator.
It is this unique action mechanism that generates the typical, overtone-rich Celesta sound.
There are keyboard glockenspiels made by other manufacturers using a piano action (sound plates are struck vertically/from the side) or a grand-piano action (sound plates are struck from below). So it is very misleading to call these instruments a celesta which unfortunately happens.
Due to the construction, instruments with piano-/grand-piano action do not create the typical and unique Celesta sound according to the specifications of the inventor Victor Mustel.
Schiedmayer does use a full-size grand-piano keyboard but not a grand-piano action.
The Celesta Action
The felt hammer is set in motion by pressing the key and strikes the sound plate from above.
The sound plate is placed above a wooden resonator.