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Warburton Two-Piece Bass Trombone Mouthpiece System
Tops
The B Tops are very deep models that are intended for use with bass trombone. Combined with the B series backbores, these models will excel in the low register.
Backbores
All three B series backbores are a .281" bore. These backbores fully complement the bass cups in providing a full sound that is rich in harmonic overtones. The B series backbores are numbered 1 to 3, with 1 being the smallest and 3 the largest.
| Model |
center>Inside Diameter |
Available Cups |
| 1 |
1.140” |
B |
| 2 |
1.120” |
B |
| 3 |
1.100” |
B |
| 4 |
1.080” |
B |
| 5 |
1.060” |
B |
| 6 |
1.040” |
B |
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