Can be scrolled
| Specifications | Fingering System | Heckel system | Heckel system | |
|---|---|---|---|---|
| Keys | Auxiliary Keys | High D key, 6 roller keys (low C#, low Eb, F# thumb, Ab little finger, Ab thumb, F), Bb key guard, Balancer | High D key, 6 roller keys (low C#, low Eb, F# thumb, Ab little finger, Ab thumb, F), Bb key guard, Balancer | |
| Trill Keys | F-G, E-F# | F-G, E-F# | ||
| Material | Body | Long-seasoned maple (thinner wall) | Long-seasoned maple body (thinner wall) | |
| Keys | Silver-plated nickel silver | Silver-plated nickel silver | ||
| Bocal | Super Bocals (CN1S and CN2S) | Super Bocals (CN1S and CN2S) | ||
| Case | Included | Included (compact model) | ||