Color 2 euphonium instruments combining durability and refined design. Constructed from brass for consistent tone and responsive playability. Key features Two model options 1. Threekey tenor horn Material Brass Key Bb Diameter 14.5 mm Emboss 230 mm 2. Threekey euphonium Material Brass Key Bb Diameter 15 mm Emboss 280 mm Well balanced piston valves that deliver smooth, responsive action when properly maintained Sturdy pistons and precise keys for reliable control and accurate intonation Lightweight construction with a solid, balanced tone for comfortable extended playing Exquisite workmanship and attractive finish that support both stage and classroom presentation Suitable for beginners and advancing players thanks to an accurate piston mechanism that aids control and pitch consistency Benefits and problem solving Reliable valve action reduces mechanical distractions so players can focus on technique and musicality Brass construction provides durable performance while producing warm, resonant sound Two size and bore options let players choose an instrument that fits their comfort and tonal preference Responsive keys and balanced mechanics help players develop good embouchure and breath control Use scenarios School and community band rehearsals where dependable intonation and consistent valve response are required Solo practice and studio sessions that demand clear tone and precise control across registers Small brass ensembles or chamber groups needing a compact instrument with a balanced sound profile Support Full product support is provided for any questions or concerns Technical summary Color 2 Use Euphonium Product categories Threekey tenor horn and Threekey euphonium Material Brass Key Bb Diameters 14.5 mm and 15 mm Emboss sizes 230 mm and 280 mm Piston valve system designed for smooth action and durable performance when maintained