The Yamaha AS4CM‑II is part of Yamaha’s Custom Series alto saxophone mouthpieces, expertly handcrafted from ebonite (hard rubber). This material produces a deep resonance and tonal richness reminiscent of wooden mouthpieces, offering a warm, clear tone with exceptional clarity and accurate intonation.
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Instrument: Alto Saxophone
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Series: Yamaha Custom Series (AS4CM)
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Material: Ebonite (hard rubber)
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Tip Opening: 1.50 mm (0.059″)
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Facing Length: 22.0 mm (0.866″)
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Tone Quality: Warm, rich, resonant, woody, and highly clear
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Control: Tight tip opening provides maximum control and smooth response
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Best Paired With: Stiffer reeds for optimal balance and projection
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Craftsmanship: Hand-finished by Yamaha artisans for consistent performance
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Level Suitability: Intermediate to advanced saxophonists (classical, jazz, studio use)


















