This euphonium family combines durable construction and refined appearance, crafted from instrumentgrade materials for responsive playability and reliable control. Available in four Bb models, each finished in gold lacquer and supplied with a lightweight case. Key benefits Responsive piston action and smooth valve mechanism for precise pitch control and reliable playability. Balanced tone and comfortable ergonomics allow longer practice and performance sessions with less fatigue. Durable brass construction and solid components provide consistent sound and long service life when maintained properly. Lightweight case for easier transport and storage. Common features Key: Bb Surface finish: Gold lacquer Piston mechanism: wellbalanced and responsive Case: lightweight case included Water release: one water stop or release button depending on model Positive stopper material: nickelcopper or nickelwhite copper depending on model Model specifications 1. FlatKey Tenor Horn Key: Bb Surface finish: Gold lacquer Dimensions: 820 mm Tube diameter: 13 mm Eyepiece diameter: 250 mm Mouthpiece: instrumentspecific brass Solid: instrumentspecific brass Bell mouthpiece: instrumentspecific brass Changing tube: instrumentspecific brass Water stop: 1 Positive stopper: nickelcopper Case: lightweight case 2. VerticalKey Tenor Horn Key: Bb Surface finish: Gold lacquer Dimensions: 600 mm Tube diameter: 12.8 mm Eyepiece diameter: 250 mm Mouthpiece: phosphor bronze Solid: instrumentspecific brass Changing tube: instrumentspecific brass Bell mouthpiece: instrumentspecific brass Water stopper: 1 Positive stopper: nickelwhite copper Case: lightweight case 3. FlatKey Euphonium Key: Bb Surface finish: Gold lacquer Dimensions: 820 mm Tube diameter: 15 mm Eyepiece diameter: 280 mm Mouthpiece tube: musical instrument brass Solid: musical instrument brass Changing tube: musical instrument brass Bell: musical instrument brass Water release button: 1 Positive stopper: nickelcopper Case: lightweight case 4. 4Key Euphonium Key: Bb Surface finish: Gold lacquer Dimensions: 660 mm Tube diameter: 13.4 mm Breath diameter: 280 mm Mouthpiece: musical instrument brass Solid: musical instrument brass Changing tube: musical instrument brass Bell: musical instrument brass Water release button: 1 Positive stopper: nickelcopper Case: lightweight case Typical use scenarios Concert and school bands: Reliable intonation and smooth valve response make these models suitable for ensemble work and section playing. Practice and instruction: Balanced ergonomics and clear tone support effective practice sessions and student learning. Small ensembles and recordings: Warm, focused sound and precise control allow players to perform solos or blend with other brass instruments in studio or live settings. Care and maintenance tips Regularly oil pistons and operate valves to maintain smooth action. Empty water stops after playing and wipe the exterior with a soft cloth to preserve the lacquer finish. Periodic professional servicing will help retain playability and prevent common wear. Support Product support is available with for questions about setup, maintenance, and parts compatibility.