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Yamaha YCL-631II Professional Eb Alto Clarinet - Silver-plated Keys

Eb Alto Clarinet with Grenadilla Body, Silver-plated Nickel Silver Keys, 4C Mouthpiece, and Case
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Item ID: YCL631II
Yamaha YCL-631II Professional Eb Alto Clarinet - Silver-plated Keys
Price:$9,451 and 99 cents
$1,576.00 suggested monthly payment section with 6 month special financing double dagger

New! Band and orchestra instrument rentals.
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While this isn't an item we normally stock, we can still get it to you as fast as possible due to our great relationship with Yamaha. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated June 2026.

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Yamaha YCL-631II Professional Eb Alto Clarinet - Silver-plated Keys
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Price:$9,451 and 99 cents
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Professional Alto Clarinet with Top-notch Appointments

The Yamaha YCL-631II Professional Eb Alto Clarinet is diligently crafted to tackle a wide range of orchestral repertoire. Combining the richness and warmth of grenadilla with an extended low range, the YCL-631II is everything you want in a professional-class instrument. It features stunning silver-plated keywork with undercut straight tone holes to provide exceptional responsiveness, rock-solid intonation, and a balanced tone across the full range of the instrument. The YCL-631II’s bell is constructed from durable brass with gorgeous silver plating that adds an undeniable brilliance to the clarinet’s warm sound — a feature musicians at Sweetwater appreciate. Factor in luxurious leather Pisoni key pads, and you’ll get a spectacular instrument that is well suited for orchestral clarinetists and otherwise curious players.

Seasoned grenadilla body and sculpted silver-plated keys

Grenadilla is the material of choice for professional-grade clarinets due to its dense grain, moisture-repellent qualities, eye-catching look, and warm tone. As such, the YCL-631II is made from the highest-quality grenadilla, which is seasoned for improved performance. Yamaha has given the YCL-631II a comfortable 19-key Boehm system with a thick key plating for added expressiveness. The keys are fitted with white leather pads to provide you with a dynamic feel, a rich tonality, and buzz-free playing. Moreover, the YCL-631II sports straight tone holes with a tapered undercut to ensure optimum intonation and a uniform response up and down the instrument.

Revised tone hole positioning

As a second-generation model of the YCL-631, Yamaha has made an important revision to the clarinet's design: a repositioned upper-joint register key. As a result, the YCL-631II offers improved pitch accuracy in the high register and gives players greater control and stability while playing.

Yamaha Custom Series brass and woodwinds

The pinnacle of Yamaha’s production brass and woodwinds, the Yamaha Custom Series comprises a stunning collection of professional-grade instruments. Meticulously crafted using a combination of hi-tech manufacturing techniques and old-world hand finishing, Yamaha Custom Series brass and woodwinds present players with a sublime playing experience, top-notch tone, and heirloom-quality construction. When you require an instrument that shines in professional settings, with a gorgeous look and a full expressive range, turn to Yamaha Custom Series brass and woodwinds.

Yamaha YCL-631II Eb Alto Clarinet Features:

  • Professional Eb alto clarinet with silver-plated keys
  • Boehm fingering system with 19 keys, including 7 covered finger holes
  • Seasoned grenadilla wood body provides a rich, warm sound
  • Silver-plated brass bell adds brilliance to your sound
  • Straight tone holes with tapered undercut ensure even intonation and heightened responsiveness
  • Leather Pisoni key pads improve airflow
  • Comes equipped with an optional peg for added support while playing
  • Includes a Yamaha 4C mouthpiece and new case

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
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Tech Specs

  • Type: Eb Alto
  • Key: Eb
  • Level: Professional
  • Body Material: Grenadilla
  • Key Finish: Silver-plated NIckel Silver
  • Bell Material: Silver-plated Brass
  • Tone Holes: Straight, Tapered Undercut
  • Pads: Leather
  • Thumb Rest: Fixed
  • Key System: Boehm: 19 Keys, 7 Covered Finger Holes
  • Mouthpiece: Yamaha 4C
  • Ligature: Included
  • Additional Features: Floor Peg Included
  • Case/Gig Bag: CLC-631II Case
  • Manufacturer Part Number: YCL-631II

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