












Now taking preorders for the Contrabass Clarinet Custom Low C Extension, created by Carlo Sbisa!
What you are seeing here is an extension system that is meant to attach to any Leblanc low D paperclip contrabass clarinet for the purpose of transforming it into a low C without buying an entirely new instrument. The entire installation process needs only a screwdriver and is completely reversible, as it requires no modification to the instrument itself.
We will custom build and fit the custom extension to your clarinet - once your instrument is in our shop, we'll build the extension for your specific instrument and have it all back to you with a 3 week turnaround.
Once your order is received, we will reach out by email to make any arrangements that might be required for shipping your instrument to our shop. Once your clarinet is received, will will again confirm by email before commencing work. When the extension is installed, we'll ship it all back to you at no extra charge.
More information on the Low C Extension can be found in our blog here
Please feel free to email with any additional questions!
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
Contrabass Clarinet Custom Low C Extension by Carlo Sbisa CUSTOM BUILT FOR YOUR INSTRUMENT
Now taking preorders for the Contrabass Clarinet Custom Low C Extension, created by Carlo Sbisa!
What you are seeing here is an extension system that is meant to attach to any Leblanc low D paperclip contrabass clarinet for the purpose of transforming it into a low C without buying an entirely new instrument. The entire installation process needs only a screwdriver and is completely reversible, as it requires no modification to the instrument itself.
We will custom build and fit the custom extension to your clarinet - once your instrument is in our shop, we'll build the extension for your specific instrument and have it all back to you with a 3 week turnaround.
Once your order is received, we will reach out by email to make any arrangements that might be required for shipping your instrument to our shop. Once your clarinet is received, will will again confirm by email before commencing work. When the extension is installed, we'll ship it all back to you at no extra charge.
More information on the Low C Extension can be found in our blog here
Please feel free to email with any additional questions!
Pairs well with
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99

Contrabass Clarinet Custom Low C Extension by Carlo Sbisa CUSTOM BUILT FOR YOUR INSTRUMENT
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, 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.
