YAMAHA YEP-621S Euphonium 4-Piston Silver-Plated Bb Brass Band Mouthpiece Case 

Description

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●Condition: Brand New

●Size (approx.) Bell Diameter: 11.02 in (280 mm)

●Material Bell: Yellow Brass Body: Yellow Brass Leadpipe: Nickel Silver Finish: Silver Plate

●Specifications
Brand: Yamaha
Model: YEP-621S
Instrument: Euphonium
Key: Bb
Number of Valves: 4 (Valves 1–3 Top Action, Valve 4 Side Action)
Bore Size: 14.5mm (Valves 1–3) / 16.8mm (Valve 4)
Bell Diameter: 280mm
Bell Material: Yellow Brass
Leadpipe Material: Nickel Silver
Finish: Silver Plate
Included Mouthpiece: SL-51 (L)
Included Case: EPC-61

●Product Overview
The Yamaha YEP-621S is a Bb euphonium delivering a thick, rich low register paired with a clearly defined, focused tone — a standard choice for concert band and wind ensemble playing, while also at home in British-style brass bands.

This model features a 4-valve system with the first three valves in a top-action layout and the fourth valve placed in a side-action position for improved left-hand playability. A hand rest supports a natural, comfortable finger position, while a shortened leadpipe, carefully tuned in shape and material (nickel silver), contributes to the instrument's open, resonant sound projection. The design offers a comfortable sense of resistance that remains controllable even for less experienced players, while still delivering accurate intonation, including on the 6th harmonic F.

Finished in silver plate over a yellow brass body and 280mm bell, the YEP-621S comes complete with an SL-51 (L) mouthpiece and EPC-61 case for a ready-to-play package.

●Package Contents
Yamaha YEP-621S Euphonium ×1
Mouthpiece (SL-51 L) ×1
Case (EPC-61) ×1
Valve Oil ×1
Slide Grease ×1
Polishing Cloth ×1