Yamaha BL-60BL
TromboneIn Production
Precision Specifications
RIM DIAMETER27.83 mm
CUP DEPTHShallow
THROAT ∅6.92 mm
BACKBORE—
SHANKLarge
CUP SHAPE—
Rim Widththick
Rim Contoursemi-round
Throat Drill #—
Materialbrass
FinishSilver plated
Weight—
Recommended For
All Around
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Reference Notes
German-style model; easy playability.33 Use these measurements as a comparison starting point: fit and response still depend on the player, dental structure, instrument receiver, and each manufacturer's measuring method.
Brand Deep Dive
Yamaha · BrassFit Science
Yamaha Mouthpiece Guide
Yamaha mouthpiece numbering, cup families, and instrument-specific selection guide.