Correspondance musical ensemble

The instrument has a 51-note keyboard (C-d '''). It can be transposed to the four pitches : 392 / 415 / 440 / 466 by moving the keyboard sideways.

Basic composition :

 8' wood

 Principal flute 4' wood 

8' principal metal

The musical conception of this instrument is based on continuo experience, as well as concert playing  The balance of tessitura is designed to allow all types of realization, including towards the treble, with a smooth and regular ascent.