Bass Trombone Mouthpiece (520-540)

Brief model explainer. For more info head to the Numbering System page.

500 A S L

│ │ │ └── Instrument

│ │ │ L = Large Bore Tenor

│ │ │

│ │ └─── Throat & Backbore

│ │ R (Tight) → T (Open)

│ │

│ └───── Cup Depth

│ A (Shallow) → D+ (Deep)

│

└────────── Rim Size

Radius in thousandths of an inch

500 = 1.00" Diameter