Adams Sonic Euphonium

Adams Sonic Euphonium – Non-Compensating Euphonium for Advancing Players

The Adams Sonic Euphonium offers an ideal balance of professional build quality and outstanding value, making it a strong choice for advancing players and serious students. Handcrafted in the Netherlands by the renowned Adams Brass team, the Sonic Euphonium delivers excellent response, reliable intonation, and a resonant tone across the full range.

This model features a hand-formed 12" yellow brass bell, .590" bore, and a soldered bell rim, producing a warm, rich sound with impressive projection. Designed with comfortable ergonomics and a free-blowing feel, the Sonic Euphonium performs beautifully in concert bands, solo settings, and ensemble playing.

Whether you're stepping up from a student instrument or looking for a high-quality euphonium without the cost of a custom model, the Adams Sonic provides professional craftsmanship at an accessible price point.

Key Features:

• Non-Compensating Euphonium Design – Lightweight feel with clear, responsive playability
• .590" Bore Size – Free-blowing response with strong tonal flexibility
• 12" Yellow Brass Bell – Warm, resonant tone with excellent projection
• Hand-Formed Bell with Soldered Rim – Built for durability and consistent resonance
• 3+1 Valve Configuration – Ergonomic left-hand 4th valve placement
• Stainless Steel Pistons – Smooth, dependable valve action
• Silver-Plated Finish – Elegant appearance with a focused tonal core
• Made in the Netherlands – Precision craftsmanship by Adams Brass

Specifications:

• Key: Bb
• Bell material & finish: 0.55 mm yellow brass, silver plated
• Bell diameter: 305 mm (12")
• Bore: 1st, 2nd, 3rd valves: 15 mm / 4th valve: 16 mm
• Valves: Bottom-sprung stainless steel
• Case: Included (Adams / Marcus Bonna)
• Outfit: Valve oil, slide grease, cleaning cloth, removable water catcher, 4th valve lock
• Special feature: Adjustable gap receiver

Mouthpiece not included.

Who Is It For?

Ideal for advancing students, collegiate musicians, and adult hobbyists seeking a high-quality non-compensating euphonium with professional-level craftsmanship—without stepping into full custom pricing.