D'Addario Reserve X5 B♭ Clarinet Mouthpiece
Refined classical focus, optimal resistance, and vintage-inspired tonal depth.
The D'Addario Reserve X5 represents the pinnacle of modern woodwind engineering, capturing the warm, harmonically rich acoustics of the most sought-after vintage clarinet mouthpieces while delivering unprecedented consistency. Designed in collaboration with leading orchestral clarinetists and acousticians, the Reserve line is precision-milled from solid rod rubber—never molded—using advanced computer-numeric-controlled (CNC) technology to ensure zero variance from piece to piece.
The X5 model features a medium-closed 1.05 mm tip opening paired with a medium-long facing curve and standard A=441 Hz pitch calibration. This geometry provides players with a focused, centered core, immediate articulation response, and a comfortable degree of resistance that allows for stable control across all registers—from a dark, resonant chalumeau to a transparent, singing altissimo.
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Model: D'Addario Woodwinds Reserve Series (MCR-X5)
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Instrument: B♭ Clarinet
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Material: Solid Hard Rubber (Precision CNC-milled bar rubber)
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Tip Opening: 1.05 mm
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Facing Length: Medium-Long
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Pitch Calibration: A=441 Hz
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Chamber: Medium oval chamber
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Origin: Crafted in the USA
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Ideal For: Advancing students, collegiate clarinet majors, orchestral performers, and chamber musicians seeking traditional resistance and a focused, dark classical sound
As always, we invite you to stop by our Houston shop to try these mouthpieces in person. Nothing compares to the experience of a new setup in your own hands. Follow our accounts on Facebook, Instagram, TikTok, and YouTube for the latest updates, content, and promotions: https://linktr.ee/Fleming_Music. We are grateful for your support of our small business and look forward to helping you find your sound!
