The Yamaha YEP-842S Custom Series Euphonium is a professional B♭ compensating model developed with input from euphonium artist Shoichiro Sotoyuki. Designed for refined tone, responsive playability, and strong projection, it is suitable for solo performance, orchestral and concert-band playing, and large wind ensembles.
This model is known for its rich, powerful sound with clear brilliance and excellent tonal balance throughout the register. Its optimized bore design and brace layout help provide a smooth, even response from low to high notes, including improved feel and tone when changing valve combinations.
The YEP-842S offers expressive solo capability while retaining the projection and presence needed for ensemble performance.
Brand: Yamaha
Model: YEP-842S
Series: Custom Series
Instrument: Euphonium
Key: B♭
System: Compensating system
Valves: 4 piston valves
Valve Layout: 3 top-action valves plus 1 side-action valve
Bell Material: Yellow brass
Bell Diameter: 300 mm / 11.8 in
Bore Size: 15.0 mm for 1st–3rd valves
Bore Size: 16.8 mm for 4th valve
Finish: Silver plated with partial gold-plated accents
Playing Characteristics: Smooth response, balanced intonation, clear high register, full low register, strong projection
Suitable For: Professional players, soloists, conservatory students, concert bands, brass bands, orchestras, and wind ensembles
Yamaha Custom Series professional compensating euphonium
Developed with artist Shoichiro Sotoyuki
Four-piston compensating valve system for improved low-register intonation
Yellow-brass bell delivers a rich, warm, and projecting tone
Carefully optimized bore and bracing design for consistent response across all registers
Powerful sound suited to large wind ensembles while retaining detailed solo expression
Silver-plated finish with partial gold-plated detailing for an elegant appearance
Please review all photos carefully for the instrument’s condition and included accessories. Only items visible in the photos are included.
*Mouthpiece is not included.
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