Perantucci PT-88
TubaIn Production
Precision Specifications
RIM DIAMETER33.5 mm
CUP DEPTHDeep
THROAT ∅8.1 mm
BACKBORE—
SHANKtuba
CUP SHAPEbowl
Rim Width—
Rim Contour—
Throat Drill #—
Material—
Finish—
Weight—
Recommended For
OrchestralClassical
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Reference Notes
The largest standard Perantucci model. 33.5mm wide rim with a deep wide bowl and open throat — built for the massive sound requirements of 6/4 CC or BBb tuba in a full symphony orchestra. The PT-88+ adds extra mass for even greater projection. 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.