Bob Reeves Trumpet Mouthpiece Underpart Only

Bob Reeves Trumpet Mouthpiece Underparts contain the cup, bore, and shank. Each is designed to create a different sound, and is optimized for a different playing style. The 692sL backbore is similar to the shortened 692s, but has a conventional length.

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• 692sL Backbore – Efficient backbore in the upper register and delivers a clear, focused sound. When added to a deep cup the tone becomes dark, but still retains easy access to the upper register.
  B cup – Deep cylindrical bowl similar to a Bach 7B
  C cup – Medium-deep bowl similar to a Bach 3C
  D cup – Medium-deep conical bowl
  ES cup – Extra shallow bowl
  M cup – Medium bowl
  S cup – Shallow bowl
  SV cup – Very shallow conical "V" shape
  V cup – Very deep conical bowl