Same rim shape and diameter as No. 5 small shank tenor trombone. Similar playing characteristics to No. 4G with a slightly smaller cup diameter
- Deep Cup
- 25.5 mm Cup diameter
- .276" throat
- 429 backbore
- medium wide, semi-flat rim shape
Same rim shape and diameter as No. 5 small shank tenor trombone. Similar playing characteristics to No. 4G with a slightly smaller cup diameter