Miraphone MI57F Contrabass Trombone

This is the biggest slide trombone available commercially today. The fundamental pitch is the same as that found on a BBb tuba. It has a very deep voice that will blend beautifully with the rest of the section without distorting. The F attachment takes it down a fourth to the low F on the BBb tuba.

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• Bell: 10" lacquered yellow brass
  Bore: .635"
  Key: BBb/F
  Proficiency Level: Professional
  Slide: Regular
  Valve: Single
  Valve System: Single traditional rotor valve F attachment.