Yamaha YOB431M Oboe


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SKU: YOB431M Categories: , , Tags: ,
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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.

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.

The gold-colored trademark logo is stamped on the back of the upper joint.


  • System – Simplified Conservatoire (semi-automatic octave system)
  • Key systems – Identical to models without the ‘M’ suffix
  • Mechanical features – 3rd octave key, Left-hand F key, Fork F resonance key
  • Trill keys – C#-D#, F#-G#, Ab-Bb, A#-B, B-C#, left C-D, right C-D
  • Pads – 8 cork, 15 felt pads
  • Body material – Grenadilla Insert injected ABS resin (upper joint)
  • Key materials – Silver-plated nickel silver keys
  • Toneholes – ABS resin (except metal octave vents, upper joint only)



Yamaha's history began when its founder, Torakusu Yamaha, repaired a broken reed organ in 1887. Shortly thereafter, he successfully completed the first reed organ to be built in Japan.

Since then the company has gone from strength to strength and gained a reputation for sound and build quality with its impressive range of brass and woodwind instruments.

Yamaha has a wide range of brass and woodwind instruments that are suitable for everyone ranging from a new music student (of any age) through to professional players at every stage of their career.

You can be confident that when you buy a Yamaha product, you can guarantee that you are buying an instrument that will serve you well for years to come.

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