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Yamaha oboes have achieved clear sound quality and sperb intonation by dramatically improving precision and stability of the bore. Also to cope with various quality issues inherent in wooden wind instrumentsm Duet+ models employ innovative techniques to form a protective layer next to the air column. The combination of precious wood and state-of-the-art resin is not simply a "Duet" of tradition and technology - it's a "Plus" advantage indeed!
INSERT MOLDING
Yamaha is premiering this new technique (patent pending) to bring a reasonable solution to the intermediate family. The upper joint body is drilled out slightly larger around the bore and tone-holes. Thermoplastic ABS resin is injected into the cavity, instantly forming the inner shape of an oboe. It is designed to preserve as much as 90% of the wooden portion, while its natural appearance is hardly distinguishable from conventional all-wooden models.
TONE HOLES
Upper-joint tone-holes (except metal octave vents) are molded simultaneously with the resin bore.
JOINT TENON
The upper joint tenon is also formed as an extension to the resin bore. This ensures smooth connection between the joints even under moist conditions.
