Backbore for tenor trombone
- Symphony tenor
- With a big shank
- Standard model
- 6.76 mm bore
- Silver-plated
- There are three sizes of the ST Backbore, numbered from 1-3, with 1 being the smallest and 3 being the largest.
Warburton Tenor Backbore 3 ST large
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
4.7