YOB-831L
| YOB-831L | ||
|---|---|---|
| Accessories | Deluxe multi-functional case bag (YOB-830L) | |
| System | Conservatoire (semi-automatic octave system) | |
| Bore style | European | |
| Key systems | Identical to models without the 'L' suffix | |
| Mechanical features | 3rd octave key, Left-hand F key, Fork F resonance key | |
| Trill keys | Low B-C#, low C-Db, C#-D#, D#-E, F#-G#, G#-A, Ab-Bb, A#-B, B-C#, left C-D, right C-D | |
| Pads | 9 cork, 14 felt pads | |
| Body material | Grenadilla with Ebonite-lined upper joint | |
| Key materials | Silver-plated nickel silver keys | |
| Toneholes | POM resin (except matal octave vents) | |
