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| Spesifikasi | Sistem | Conservatoire (semi-automatic octave system) | Conservatoire (full-automatic octave system) | |
|---|---|---|---|---|
| Kunci | Tombol Bantu | 3rd octave key, Left-hand F key, Adjustable Fork F resonance key, B resonance key, philadelphia D key | 3rd octave key, Left-hand F key, Triple C, Low B-C, Adjustable Fork F resonance key, B resonance key, philadelphia D key | |
| Material | Bodi | Grenadilla | Grenadilla | |
| Case | Deluxe multi-functional case bag (OBB-830L) | Deluxe multi-functional case bag (OBB-830L) | ||
| Specifications | Bore Style | European | European | |
| Keys | 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, rightC-D | 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 | cork and leather | cork and leather | ||
| Material | Keys | Silver-plated nickel silver | Silver-plated nickel silver | |
