The SEV features wider tonehole width, tapers and undercuts for a warm, round tone with an abundance of rich overtones. It blends easily with other instruments, yet is equally suitable for solos, with a remarkably resonant tone that’s full of life.


  • Level: Custom
  • Key of: Bb (YCL-SEV/SEVN)
  • Fingering: Fingering
  • Key Stytem: 17 keys, 6 rings
  • Barrel Length: 65mm (YCL-SEV/SEVN)
  • Body Material: Grenadilla
  • Barrel Material: Grenadilla
  • Bell Material: Grenadilla with pressure-fitted solid nickel silver ring
  • Key Material: Nickel Silver
  • Plating: Silver
  • Bore: Machined and Polished
  • Tone Holes: Tapered integral type, with hand-tapered undercut
  • Thumb Rest: Fixed
  • Mouthpiece: Yamaha 4CM Ebonite
  • Mouthpiece Cap: Silver-plated
  • Ligature: Silver-plated
  • Spring Type: Blue Steel Needle
  • Pad Type: Lucien deluxe double skin
  • Posts: Threaded