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Yamaha - YOB-831L - Custom Duet+ Oboe

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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!

Please refer to table below for specs

Features

Ebonite lining

The upper joint body is drilled out slightly larger, where a thin ebonite pipe with an oboe bore is adhered. Ebonite is an excellent material for wind instruments, as is proven with top-grade mouthpieces for saxophones and clarinets as well as bassoon liners. Much knowledge was derived from our own bassoon manufacturing, and with further engineering, Yamaha successfully developed oboes with reliability and the warmth of wood.

Joints

High bore precision and stability are essential in an oboe. The Duet+ model takes those characteristics to unprecedented levels, effectively compensating for the natural limitations of the granadilla wood used and achieving outstanding overall performance and reliability. An ebonite inner pipe that extends throughout the upper joint and a brass tenon contribute to strength as well as warm tone.

Toneholes

Every tone-hole (except metal octave vents) is lined with POM resin for air-tight, stable contact between each pad. In the rare event that the wood should crack, the damage to the tone-hole profile and intonation would be minimal thanks to the inserts.

Engraving

The trademark logo is engraved on the back of the upper joint.

Reed receiver (solid nickel silver)

The reed receiver features a new design that has more volume and weight than current models, contributing to richer overall resonance. The socket has a slightly looser internal diameter that makes reed insertion easy.

New bell design

The bell’s exterior contour, internal diameter, and flare have been carefully redesigned, and the bell ring omitted to create a new, thicker bell design. The new bell delivers a powerful tone that is rich in overtones, with a big, round quality that is suitable for symphonies.

Revised B key pad cup

The B key pad cup has a significant influence on the overall tone of an oboe, and in this model has extra thickness while the slit has been located on the underside of the pad. This not only reduces C# noise, but also improves high-range playability and tone in general. The B-A# trill lever has been matched to the height of the B key for enhanced playability.

Philadelphia D key adjustment screw

This adjustment screw allows fine adjustment of high D playability.

*A “Philadelphia D key” is linked to the low C key and allows adjustment of the D double ring key opening (in current models only the low C and E keys are linked with opening adjustment).

B resonance key

B resonance key has been included to improve the low B sound. The key can be disengaged via the adjustment screw if desired, but the mechanism is designed so that the resonance key always opens when the lowest Bb is played.

Forked F resonance key adjustment screw

This adjustment screw allows adjustment of the opening as well as complete disengagement of the auxiliary key if desired.

New adjustable thumb rest

In addition to vertical adjustment, the angle of this thumb rest can be adjusted to achieve the most comfortable thumb fit and position. A strap ring is also included for optimum playing position, so the performer can concentrate more fully on the music.

New Tone Hole design

Tone hole design has been completely reassessed and updated to provide ideal breath resistance and luxurious resonance. The revised tone holes also make conservatoire fingering easier.

Deluxe multi-functional case bag

Oboists must always carry all kinds of reed adjustment tools and accessories. The newly designed pockets pack almost everything you need for a rehearsal. The A4-sized holder on the reverse side will carry a B4 music file vertically. The shoulder strap and handles offer a choice between carrying it vertically or horizontally.

Specs

  YOB-831L YOB-832L
System Conservatoire (semi-automatic octave system) Conservatoire (full-automatic octave system)
Bore Style European European
Auxiliary Keys 3rd octave key, Left-hand F key, Adjustable Fork F resonance key, B resonance key, Philadelphia D key 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, right C-D Low B-C#, low C-Db, C#-D#, D#-E, F#-G#, G#-A, Ab-Bb, A#-B, B-C#, left C-D, right C-D
Pads Cork and leather Cork and leather
Body Grenadilla, Ebonite Inner-pipe (upper joint) Grenadilla, Ebonite Inner-pipe (upper joint)
Keys Silver-plated nickel silver Silver-plated nickel silver
Case Deluxe multi-functional case bag (OBB-830L) Deluxe multi-functional case bag (OBB-830L)

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