Special order. The Yamaha YOB-831 Professional Oboe gives you a clear sound quality and superb intonation through dramatically improved precision and stability of the bore. The YOB-831 Oboe model design employs the innovative technique to form a protective layer next to the air column, as well as state-of-the-art resin, to curb the inherent issues in wooden wind instruments. The Yamaha YOB-831 Professional Oboe features include: • System: Conservatoire (semi-automatic octave system) • Bore style: European • Key systems: identical to models without the 'L' suffix • Mechanical fe... [view details]