The Yamaha YBB-321 is a 4-valve, full-size BBb tuba designed for intermediate players seeking a balance between professional-quality sound and affordability. It’s a popular choice for students and educators due to its durability and ease of play.
Specifications:
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Key: BBb
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Size: 4/4 (full-size)
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Bore: 0.728″ (18.5–19.5 mm)
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Bell Diameter: 17.5″ (443 mm)
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Height: 40″ (1018 mm)
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Weight: Approximately 10 kg
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Valves: 4 top-action pistons
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Finish: Clear lacquer (YBB-321) or silver-plated (YBB-321S)
