Caratteristiche
- Piano accordion Mod. 12b basson
- 37 keys starting from C
- 41 keys
120 bass
Treble reeds: 5
- Bass reeds: 5
Treble registers: 15+Master
- Bass registers: 7
- Tone chamber 3+2
- Weight: 9.5 kg
- Dimensions: 43x48.5x26