Picture shows the YBB 631SYamaha’s professional model background brass are world-renown for their blend of traditional warm, rich sound, combined with highly accurate intonation and easy playability. Developed in close cooperation with top artists, they represent the state-of-the-art in brass instrument design and manufacture, and are ideal for either solo performance or providing a secure foundation for any ensemble.
The YBB-631 has accurate intonation, a quick response, and a comfortable playability.
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In BBb
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4/4 size
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3 top action, 1 side piston valve
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Compensating system
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Bell: 443mm (17-1/2")
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Bore: 17.5-19.5mm (0.689-.768")
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Finish: Clear lacquer
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Silver-plate YBB-631S
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Mouthpiece: 67C4