Guerrini Superior 2, piano accordion, 1986th year

- 44.1 KHz / 24-bit
- 2116 samples / 775 MB
- All original 12+1 right hand registers / 41 keys
- Left hand “Organtone Bass” register / 120 buttons
- Right and left hand in the same instrument (patch)
- 4 variations for right hand (Intelligent random X4)
- 2 variations for left hand (Intelligent random X2)
- Right hand instruments in 3 dynamic levels
- Right hand voices looped – unlimited length
- Controllable key, release and register noises
- Built-in changeable reverb, echo and attack time
- Force playing gently, normal or sharp
- Visual information of basic voices in use
- Dynamic bellow control controllable by expression pedal
- Natural “suffocate” tone effect
- Vibrato – bellow shake (left hand effect)

- Guerrini Professional 4, buttoned accordion, 1974th year
- 44.1 KHz / 24-bit
- 2212 samples / 486 MB
- All original 11 right hand registers / 43 buttons
- Left hand “Organtone Bass” register / 120 buttons
- Right and left hand in the same instrument (patch)
- 4 variations for right hand (Intelligent random X4)
- 2 variations for left hand (Intelligent random X2)
- Right hand instruments in 3 dynamic levels
- Right hand voices looped – unlimited length
- Controllable key, release and register noises
- Built-in changeable reverb, echo and attack time
- Force playing gently, normal or sharp
- Visual information of basic voices in use
- Dynamic bellow control controllable by expression pedal
- Natural “suffocate” tone effect
- Vibrato – bellow shake (left hand effect)