Shires USA 1¼G

TromboneIn Production
Precision Specifications
RIM DIAMETER—
CUP DEPTH39.75 mm
THROAT ∅7.54 mm
BACKBORE—
SHANKlarge
CUP SHAPE—
Rim Width—
Rim Contour—
Throat Drill #—
Material—
Finish—
Weight—
OrchestralAll Around

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  • USA Series
  • Bass Trombone

Shires USA 1¼G appears in the Trombone catalog section with 39.75 mm cup depth, 7.54 mm throat, and large shank. Database tags list it for Orchestral and All Around use. Noted features include USA Series and Bass Trombone. 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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