Willson Q90S Euphonium
Willson Q90S Professional Compensating Euphonium: Unmatched Craftsmanship for Advanced Players
The Willson Q90S is a professional Bb euphonium that combines Swiss-inspired workmanship with modern design to deliver a truly exceptional performance experience. Crafted with a fully compensating 3+1 valve configuration, this euphonium ensures spot-on intonation throughout its entire range, giving you the freedom to explore every register with confidence. Meanwhile, its 11.5-inch upright yellow brass bell projects a bold, warm sound that anchors any ensemble.
Powerful Sound and Precise Intonation
- Bore: 0.591–0.669-inch for rich, robust tone and dynamic flexibility
- Bell Diameter: 11.5 inches, directing your sound powerfully upward and outward
- Nickel Leadpipe: Large shank mouthpiece receiver, ensuring consistent airflow and slotting
- Stainless Steel Pistons (3 top-action, 1 side-action): Corrosion-resistant for long-lasting reliability
Whether you’re performing in a brass band, wind ensemble, or solo setting, the Q90S’s compensating system delivers the impeccable tuning and balanced feel advanced players demand.
Engineered for Durability and Comfort
Each piston is made of stainless steel to resist corrosion, so your euphonium remains smooth-playing over years of continuous use. The 3 top-action valves and fourth side-action valve are thoughtfully placed for comfortable hand positioning, reducing fatigue during extended practice sessions or long performances.
A Storied Tradition of Quality
Since 1950, Willson Band Instruments has been synonymous with high-caliber brass craftsmanship. Now under the Eastman Music Company umbrella, Willson continues its legacy by offering heirloom-quality instruments that professional musicians trust. The Q90S follows in the footsteps of Willson’s best-selling 2900S model, presenting a familiar feel and comparably beautiful tone — at an outstanding value.
Your Next Step to Musical Excellence
When you’re ready to invest in a professional horn that checks all your boxes, look no further than the Willson Q90S Euphonium. With its first-rate construction, compensating design, and premium accessories—including a mouthpiece, case, and care kit—this euphonium is built to elevate your performance for years to come. If you need power, precision, and enduring quality, the Q90S is your perfect match.