On the right side : 33 buttons 2 voices 2 registers.
- 2 voices allowing 2 different sounds
* 1 voice flute 
* 2 voices 
or
- 2 voices allowing three different sounds
* 1 voice flute 
* 1 voice low octave 
* 2 voices bandoneon 
On the left side : 18 buttons (6 x 3 rows)
- 2 voices basses
- 2 voices chords without the thirds
- 1 stop to remove either the fundamental or the fifth . (This must be specified by the customer when ordering.) |