Willson Q90S Euphonium Overview
The Willson Q90S is a professional Q-Series euphonium designed for musicians who want the secure low register and extended facility of a fully compensating instrument. Its place within Willson's euphonium line makes it a serious choice for brass band, wind ensemble, solo, and conservatory performance, with a design centered on a one-piece seamless bell and a traditional 3+1 valve layout.
Willson Q90S Euphonium Specifications
- Key: Bb
- Bore Size: .590 inch (15 mm)
- Bell: 11.5-inch one-piece seamless yellow brass bell
- Valves: Three stainless steel top-action pistons with one side-action compensating piston
- Leadpipe and Receiver: Nickel leadpipe with large-shank receiver
- Finish: Silver plate
- Case: Willson padded backpack case
- Accessories: Shires 6D mouthpiece, Ultra-Pure valve oil, and polishing cloth
- Serial Number: Q10277
Condition & Setup
This lightly used euphonium is in excellent playing order and has been professionally serviced, set up, and play tested. The silver-plated surfaces remain bright and reflective overall. Cosmetic wear includes a small shallow dent on the lower outer bow and light scratches and handling marks in the same area.
Who the Q90S Euphonium Is For
The Q90S is suited to professional players, conservatory musicians, advanced students, and dedicated ensemble performers seeking a fully compensating Bb euphonium with a large-shank mouthpiece receiver. Its configuration supports the demands of brass band, wind ensemble, chamber, and solo repertoire, particularly for musicians who value a traditional 3+1 layout and the tonal foundation associated with a one-piece yellow brass bell.
Common Questions About the Willson Q90S
What distinguishes the Q90S within the Willson euphonium line?
The Q90S combines a fully compensating 3+1 valve system with an 11.5-inch one-piece seamless yellow brass bell. It occupies a professional position in the Willson line and uses a large-shank receiver.
What does the compensating system provide?
The compensating system adds corrective tubing when the fourth valve is used with other valves. This improves intonation and facilitates chromatic playing in the euphonium's low register.
What mouthpiece format does the Q90S use?
This Q90S uses a large-shank receiver. A Shires 6D mouthpiece is included with this instrument.
We are proud to be an authorized Willson 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
Willson Q90S Q-Series Professional Compensating Euphonium in Silver Plate
Willson Q90S Euphonium Overview
The Willson Q90S is a professional Q-Series euphonium designed for musicians who want the secure low register and extended facility of a fully compensating instrument. Its place within Willson's euphonium line makes it a serious choice for brass band, wind ensemble, solo, and conservatory performance, with a design centered on a one-piece seamless bell and a traditional 3+1 valve layout.
Willson Q90S Euphonium Specifications
- Key: Bb
- Bore Size: .590 inch (15 mm)
- Bell: 11.5-inch one-piece seamless yellow brass bell
- Valves: Three stainless steel top-action pistons with one side-action compensating piston
- Leadpipe and Receiver: Nickel leadpipe with large-shank receiver
- Finish: Silver plate
- Case: Willson padded backpack case
- Accessories: Shires 6D mouthpiece, Ultra-Pure valve oil, and polishing cloth
- Serial Number: Q10277
Condition & Setup
This lightly used euphonium is in excellent playing order and has been professionally serviced, set up, and play tested. The silver-plated surfaces remain bright and reflective overall. Cosmetic wear includes a small shallow dent on the lower outer bow and light scratches and handling marks in the same area.
Who the Q90S Euphonium Is For
The Q90S is suited to professional players, conservatory musicians, advanced students, and dedicated ensemble performers seeking a fully compensating Bb euphonium with a large-shank mouthpiece receiver. Its configuration supports the demands of brass band, wind ensemble, chamber, and solo repertoire, particularly for musicians who value a traditional 3+1 layout and the tonal foundation associated with a one-piece yellow brass bell.
Common Questions About the Willson Q90S
What distinguishes the Q90S within the Willson euphonium line?
The Q90S combines a fully compensating 3+1 valve system with an 11.5-inch one-piece seamless yellow brass bell. It occupies a professional position in the Willson line and uses a large-shank receiver.
What does the compensating system provide?
The compensating system adds corrective tubing when the fourth valve is used with other valves. This improves intonation and facilitates chromatic playing in the euphonium's low register.
What mouthpiece format does the Q90S use?
This Q90S uses a large-shank receiver. A Shires 6D mouthpiece is included with this instrument.
We are proud to be an authorized Willson 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
Willson Q90S Q-Series Professional Compensating Euphonium in Silver Plate
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.