Yamaha 431B Oboe

"Yamaha’s Intermediate Series oboes feature a design based upon our top Custom models, and are made with the same painstaking care; the same artisans oversee every step in their production. These oboes offer accurate intonation, balanced response, and exquisite tone.
The YOB-431B has a semi-automatic dual system, and the body is made from top quality, carefully seasoned grenadilla"

Semi-automatic
Dual system ( Thumb plate/Conservatoire )
Plateau keys
3rd octave key
Auxiliary F key
Forked F vent key
Trill keys: C#-D# ,F#-G#, Ab -Bb ,A#-B, B-C#, C-D
Grenadilla body
Silver-plated nickel silver keys
Optimized bore-design for a more perfect and brilliant sound.