Product Overview
Custom BT#1 Trombone Mouthpiece
Inner diameter: 1.123" or 28.524mm
Bore Size: Standard - .316" or 8.027mm, Symphonic - .323" or 8.204mm
Cup Depth: 1.533" or 38.938mm
This is a very large mouthpiece in every way.The BT#1 is only available on the heavy blank style. The extra mass really helps to lock down the core of the sound and helps to slot the pitch.
Reviews
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5 BT 1 Symphonic
Posted by Gerald Osterman (New England Conservatory 1970) on 4th Aug 2023
My personal favorite bass trombone mouthpiece, great tone, excellent intonation and good flexibility.