The ZO ZEU-4100 is ZO's intermediate 3+1 valve Bb euphonium, designed for advancing students, high school musicians, college performers, and community band players. Its 3+1 valve configuration (three top-action valves with one side-action fourth valve) is the preferred layout used on many professional euphoniums, providing improved ergonomics, better intonation, and an extended lower range.
The ZO ZEU-4100 is the flagship model in ZO's standard brass euphonium lineup before moving into fully professional compensating instruments. Its 3+1 valve system, progressive bore, and professional ergonomics provide a noticeable step up from traditional 3- and 4-top-action models. For players looking for a full, resonant sound, improved low-register performance, and a professional-style playing experience at an affordable price, the ZEU-4100 is an outstanding choice.
Why the 3+1 Design?
The fourth valve is operated by the left hand instead of the right hand.
| Feature | ZEU-2000 | ZEU-2500 | ZEU-3000 | ZEU-4100 | ZEU-4500 |
|---|---|---|---|---|---|
| Target Player | Beginning Student | Advancing Student | Intermediate / Advanced | Advanced High School / College | College / Professional |
| Key | Bb | Bb | Bb | Bb | Bb |
| Finish | Yellow Brass or Silver | Yellow Brass or Silver | Yellow Brass or Silver | Yellow Brass or Silver | Yellow Brass or Silver |
| Valves | 3 Stainless Steel Pistons | 3 Stainless Steel Pistons | 4 Stainless Steel Pistons | 3+1 Stainless Steel Pistons | 3+1 Stainless Steel Pistons |
| Leadpipe | Rose Brass | Rose Brass | Rose Brass | Rose Brass | Rose Brass |
| Bell | 280 mm (11") | 310 mm (12") | 280 mm (11") | 280 mm (11") | 310 mm (12.2") |
| Bore | 14.5 mm (.570") | 14.5 mm (.570") | 14.5 mm (.570") | 14.5–17.0 mm (.570"–.669") Progressive | 14.5–17.0 mm (.570"–.669") Progressive |
| Slides | Cupronickel | Cupronickel | Cupronickel | Cupronickel | Cupronickel |
| Mouthpiece | Metal | Metal | Metal | Metal | Metal |
| Case | High Grade Durable Padded Canvas | High Grade Durable Padded Canvas | High Grade Durable Padded Canvas | High Grade Durable Padded Canvas | High Grade Durable Padded Canvas |
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ZEU-4100 Features
- Key: Bb
- Color: Yellow Brass or Silver
- Valves: 3+1 Stainless Steel Pistons
- Leadpipe: Rose Brass
- Bell: 280mm (11")
- Bore: 14.5mm - 17.0mm (.570"–.669") Progressive Bore
- Slides: Cupronickel
- Mouthpiece: Metal
- Case: High Grade Durable Padded Canvas
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Additional Info
| Key | Bb |
|---|---|
| Condition | New |
| SKU | EU-ZO-ZEU4100 |
| Literature | ZO Brass Euphoniums .pdf |
