YOB-831

YOB-831
System Conservatoire (semi-automatic octave system)
Bore Style European
Keys Auxiliary Keys 3rd octave key, Left-hand F key, Adjustable Fork F resonance key, B resonance key, philadelphia D 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, rightC-D
Pads cork and leather
Material Body Grenadilla
Keys Silver-plated nickel silver
Case Deluxe, multi-functional case (OBC-830II) and case cover (OBB-830II)
Toneholes Undercut with innovative uppercuts
Thumb-rest Fixed
Options King-rosewood body (YOB-831K)