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Yamaha BB-69D2

TubaIn Production
Precision Specifications
RIM DIAMETER32.86 mm
CUP DEPTHDeep
THROAT ∅8 mm
BACKBOREStandard
SHANKTuba
CUP SHAPE—
Rim Widthstandard
Rim Contourstandard
Throat Drill #—
Materialbrass
FinishSilver plated
Weight—

Recommended For

OrchestralClassical

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Resistance5/10
Rim Comfort5/10
Brightness5/10

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Reference Notes

Symphonic design for YBB/YCB-623.41 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.

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Brand Deep Dive

Yamaha · BrassFit Science
Yamaha Mouthpiece Guide
Yamaha mouthpiece numbering, cup families, and instrument-specific selection guide.
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