Caratteristiche
- Bayan accordion Mod. 31
- 97 buttons with 58 playing notes
- 5 rows
120 bass
Treble reeds: 4
- Bass reeds: 6
Treble registers: 15
- Bass registers: 7
- Chinregulators: 5
- Tone chamber 2+2
- Convertor: 55 notes, 2 reeds (16',8')
- Standard bass: 4 reeds
- Weight: 13,2 kg.