Yamaha YEP-321 Intermediate 4-Valve Euphonium - Clear Lacquer (Shop Adjusted)
For sale is an absolute staple of the band hall: a pre-owned Yamaha YEP-321 4-Valve Euphonium. Yamaha’s intermediate and professional brass instruments are universally trusted by band directors for their bulletproof reliability, impeccable intonation, and durable build quality. We see a ton of these go to advancing middle and high school students, collegiate doublers, or gigging amateurs who need a horn that plays perfectly in tune and won't fight them in the upper register.
This is a great option for players looking to step up from a standard 3-valve student horn without paying the massive $3,300+ brand-new retail premium. Finding one of these on the used market in "near new" condition is a massive win. Because this specific euphonium was only used for maybe one semester, you are getting the acoustic core and lightning-fast mechanics of a virtually brand-new instrument at a fantastic bargain.
The "YEP-321" Advantage
- 4-Valve Design: The addition of the fourth top-action valve drastically improves the intonation in the lower register and allows for alternate fingerings, which is essential for advancing solos and ensemble repertoire.
- Yellow Brass Construction: The 11-inch yellow brass bell provides a rich, broad, and mellow tonal core that blends beautifully in a concert band setting while still offering plenty of projection.
- Bulletproof Intonation: Yamaha is famous for its acoustic design. The YEP-321 offers incredibly secure note slotting and even response across all registers, allowing the player to focus on making music rather than fighting pitch tendencies.
- The Fleming Setup: Even near-mint horns need a technician's touch. Our expert in-house staff has fully inspected, cleaned, and precision-adjusted this euphonium to ensure the valves are lightning-fast and the slides are perfectly smooth.
Condition Report & Shop Prep
- Finish (Cosmetics): Near Mint / Excellent. The clear lacquer is glowing and fully intact. There are a few very minor, surface-level scratches from its brief use, but it looks incredibly fresh and is structurally flawless.
- Body: Structurally Flawless. There are no dents, dings, or signs of trauma.
- Mechanics: Stage-Ready. The 4-valve block is incredibly fast and smooth, holding perfect compression. It plays brilliantly right out of the box.
- Accessories: Includes the original Yamaha hard case.
Specifications
- Brand: Yamaha
- Model: YEP-321
- Key: Bb
- Bore: .571"
- Bell: 11-Inch, Upright Yellow Brass
- Valves: 4 Top-Action, Nickel-Plated Pistons
- Finish: Clear Lacquer
- Condition: Pre-Owned / Near Mint (Fully Shop Adjusted)
- Included: Original Yamaha Hard Case
Why Choose Fleming Music? Here at Fleming Instruments, our expert on-site instrument repair workshop guarantees that each instrument we sell is meticulously inspected and accurately represented before it reaches you. We take pride in offering a 1-year warranty and 2-week return policy on all instruments, giving you peace of mind with your investment. Our team is dedicated to providing exceptional customer service, so please reach out to us at the shop via phone, email, or website contact: .
For the most competitive pricing, financing options, or to discuss a trade-in, please contact us directly!
As always, we invite you to stop by our Houston shop to try this instrument in person. Nothing compares to the experience of a horn in your own hands. Follow our accounts on Facebook, Instagram, TikTok, and YouTube for the latest updates, content, and promotions: . We are grateful for your support of our small business and look forward to helping you find your sound!


















