The Yamaha YSL-872 is a professional Eb/D alto trombone designed for versatility and precision, suitable for orchestral and solo performances.
Specifications
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Key: Eb/D (with half-step trill rotor)
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Bore Size: Dual bore of 11.95–12.45 mm (.470″–.490″)
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Bell: 7 1/8″ (181.8 mm) one-piece hand-hammered yellow brass
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Outer Slide: Nickel silver; one-piece drawn
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Inner Slide: Chrome-plated nickel silver; drawn
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Finish: Clear lacquer
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Mouthpiece: SL-48AS
Features
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Trill Rotor: Equipped with a half-step trill rotor, facilitating quick chromatic transitions, essential for advanced alto trombone techniques.
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Mouthpipe Design: Features a specially designed mouthpipe that enhances intonation accuracy and provides greater blowing control.
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Slide Construction: The chrome-plated nickel silver inner slide offers durability and a quick, responsive action, while the one-piece drawn nickel silver outer slide ensures airtightness and smooth operation.
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Bell Construction: The hand-hammered yellow brass bell contributes to a rich, resonant tone and superior projection


















