Bach Commercial 7S
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Special Features
- Commercial Series
- Lead Free
- Modified Comfort Rim
Reference Notes
Bach Commercial 7S appears in the Trumpet catalog section with 16 mm rim, Shallow cup, 3.66 mm throat, #56 backbore, and standard shank. Database tags list it for Lead and Commercial use. Noted features include Commercial Series, Lead Free, and Modified Comfort Rim. 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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