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.
Specifications
- 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