Yamaha - YSH-301S - Sousaphone

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The 301 Sousaphone features an ABS resin bell and FRP body for a big, tuba-style sound, while remaining lightweight and balanced for performance ease. It is extremely durable and weather resistant, and the bell front design enhances tonal projection. The intonation is highly accurate and players will appreciate the securely centered notes and easy playability.

Please refer to table below for specs.


Well balanced

Yamaha Sousaphones are extremely well-balanced, easy to hold while marching.

Heavy bracing

All Yamaha marching instruments have heavy bracing throughout, so they are more durable at vulnerable points and can withstand the rigors of use in a marching band.

Precision formed tubing

Perfectly rounded tubing results in less turbulence and a smoother air flow, thus allowing for an excellent scale and reduced resistance.


  • Key: Bb
  • Body: ABS resin bell, FRP body
  • Bell Diameter: 663mm (26 1/8")
  • Bore Size: 18.5mm (0.728")
  • Length: 1,018mm (40 1/16")
  • Valves: 3 pistons
  • Finish: Silver-plated (Slides, valve casing and leadpipe) (YSH-301S) or Clear lacquer (Slides, valve casing and leadpipe) (YSH-301)
  • Weight: 9.1kg
  • Mouthpiece: BB-67C4
  • Case: Included

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