The YEB-321 / YEB-321S is Yamaha’s intermediate-level Eb tuba, designed for musicians seeking a step-up in quality and performance without breaking the bank. It’s known for delivering a strong, warm tone, smooth playability, and accurate intonation.
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Model & Finish: YEB-321 (lacquer) or YEB-321S (silver-plated)
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Key: E♭
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Size: 4/4 full-size tuba
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Material: Yellow brass
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Bell Diameter: 386 mm (15 ¼ in)
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Bore Size: 17.5–18.5 mm (0.689–0.728 in)
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Height: 863 mm (~34 in)
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Valves: 4 top-action piston valves
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Level: Intermediate, offering professional-quality features at a reasonable price
