Greg Black - Symphony Series Bass Trombone Mouthpieces

 Model Cup
Diameter
(mm)
Bore
(inches)
Cup
Depth
Rim
Width
0G 29.5 O, 0.316 Deep Medium Thin
1G 29.0 O, 0.316 Deep Medium Thin
1â…›G 28.75 O, 0.316 Deep Medium Thin
1¼G 28.5 O, 0.316 Deep Medium Thin
1â…œG 27.9 N, 0.302 Deep Medium
1½G 27.25 K, 0.281 Deep Medium
2G 26.8 K, 0.281 Deep Wide

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