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23 treble buttons, 3 voices with 3 stops :
- 1 voice : concertina (single medium reed)
- 2 voices : double medium reeds.
(dry, swing or musette, according to voicing ) 
- 3 voices : double medium + single low octave reed 
- 2 voices : Bandoneon.
(single medium + single low octave reed) 
- 1 voice : single low reed
8 basses with 2 stops.
- 1 stop to remove the third from the chords.
- 1 stop to remove the low reed from the basses. |
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