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The Yamaha YCL-621 is a professional Bb bass clarinet designed for players seeking a traditional grenadilla instrument with a low Eb range. Yamaha places the 621 within its professional clarinet line, where its established low Eb configuration serves orchestral, wind ensemble, chamber, pit, and doubling applications without the extended mechanism of a low C model.
Yamaha YCL-621 Bass Clarinet Specifications
- Instrument Type: Bass clarinet
- Key: Bb
- Model: YCL-621
- Range: Low Eb
- Body Material: Grenadilla
- Keywork: Silver-plated nickel silver
- Bell: Silver-plated
- Case: Fitted hard case
- Accessories: None included
- Serial Number: 06403
Condition & Setup
This pre-owned instrument is in excellent playing order and received a full repad and new corks before being professionally set up and play-tested. The black body has scattered scratches, rub marks, and a small chipped area near the lower joint edge. The silver-plated metalwork has scratches, tarnish, spotting, and localized plating wear, while the lower bow shows shallow deformation. The fitted hard case is included and has substantial exterior wear and areas of torn interior lining.
Who the YCL-621 Bass Clarinet Is For
The YCL-621 is suited to advanced and professional clarinetists who want a grenadilla bass clarinet for orchestral, wind ensemble, chamber, pit, teaching, or doubling work. Its professional construction and low Eb range make it a practical choice when the additional low-C extension is not required, while the grenadilla body supports the centered, resonant tonal concept associated with professional wooden bass clarinets.
Common Questions About the Yamaha YCL-621
How does the YCL-621 differ from the Yamaha YCL-622II?
The YCL-621 extends to low Eb, while the YCL-622II extends to low C. Both are professional grenadilla bass clarinets, but the 622II provides additional lower-register notes for repertoire requiring the extended range.
What professional settings suit the YCL-621?
The YCL-621 is appropriate for orchestral, wind ensemble, chamber, pit orchestra, teaching, and woodwind-doubling work when a low Eb bass clarinet meets the range requirements.
Who should choose a low Eb bass clarinet?
A low Eb model suits players whose repertoire does not require the additional low-C extension and who prefer the established configuration of Yamaha's 621 professional model.
We are proud to be an authorized Yamaha dealer
In stock! Ships within 1-2 business days
Financing available. Apply directly at checkout
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
Yamaha YCL-621 Professional Bb Bass Clarinet in Grenadilla
Yamaha YCL-621 Bass Clarinet (Used) Overview
The Yamaha YCL-621 is a professional Bb bass clarinet designed for players seeking a traditional grenadilla instrument with a low Eb range. Yamaha places the 621 within its professional clarinet line, where its established low Eb configuration serves orchestral, wind ensemble, chamber, pit, and doubling applications without the extended mechanism of a low C model.
Yamaha YCL-621 Bass Clarinet Specifications
- Instrument Type: Bass clarinet
- Key: Bb
- Model: YCL-621
- Range: Low Eb
- Body Material: Grenadilla
- Keywork: Silver-plated nickel silver
- Bell: Silver-plated
- Case: Fitted hard case
- Accessories: None included
- Serial Number: 06403
Condition & Setup
This pre-owned instrument is in excellent playing order and received a full repad and new corks before being professionally set up and play-tested. The black body has scattered scratches, rub marks, and a small chipped area near the lower joint edge. The silver-plated metalwork has scratches, tarnish, spotting, and localized plating wear, while the lower bow shows shallow deformation. The fitted hard case is included and has substantial exterior wear and areas of torn interior lining.
Who the YCL-621 Bass Clarinet Is For
The YCL-621 is suited to advanced and professional clarinetists who want a grenadilla bass clarinet for orchestral, wind ensemble, chamber, pit, teaching, or doubling work. Its professional construction and low Eb range make it a practical choice when the additional low-C extension is not required, while the grenadilla body supports the centered, resonant tonal concept associated with professional wooden bass clarinets.
Common Questions About the Yamaha YCL-621
How does the YCL-621 differ from the Yamaha YCL-622II?
The YCL-621 extends to low Eb, while the YCL-622II extends to low C. Both are professional grenadilla bass clarinets, but the 622II provides additional lower-register notes for repertoire requiring the extended range.
What professional settings suit the YCL-621?
The YCL-621 is appropriate for orchestral, wind ensemble, chamber, pit orchestra, teaching, and woodwind-doubling work when a low Eb bass clarinet meets the range requirements.
Who should choose a low Eb bass clarinet?
A low Eb model suits players whose repertoire does not require the additional low-C extension and who prefer the established configuration of Yamaha's 621 professional model.
We are proud to be an authorized Yamaha dealer
Pairs well with
In stock! Ships within 1-2 business days
Financing available. Apply directly at checkout
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99

Yamaha YCL-621 Professional Bb Bass Clarinet in Grenadilla
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders valued over $99 ship via FedEx 2-Day within the U.S. and via DHL internationally. A physical address (no P.O. Boxes) and signature are required. Smaller accessories ship via USPS (2–5 day service) and do not require a signature if valued under $99. Please see our FAQ for additional details.
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Return Policy
We offer an unconditional 30-day return policy to ensure you’re completely satisfied. If you’re unhappy for any reason, return the item for a full refund or full exchange credit (reeds and other consumables are non-returnable once opened). Every instrument we sell is guaranteed to be free of mechanical defects—if an issue arises, contact us and we’ll either reimburse a local repair or provide a prepaid return label for repair, exchange, or refund. If you simply change your mind, you may still return the item for a full refund, but return shipping costs are the customer’s responsibility unless free returns were purchased through Redo at checkout. Please see our FAQ for additional details.
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Shop Warranty:
Brand new items are covered by the full manufacturer’s warranty unless otherwise noted (see the individual maker for details). Open box/refurbished, used, and vintage items include a two-year warranty serviced by our in-house repair shop, and we guarantee every instrument will be free of mechanical defects. Warranty coverage does not include damage from accident, misuse, negligence, improper operation, unauthorized alterations or removed serial numbers, normal wear and routine maintenance, environmental damage (including perspiration, corrosion, or extreme temperature and humidity), lacquer or plating wear, or consumable parts such as springs, pads, and felts. Please see our FAQ for additional details.
