- .460 bore
- “5” pipe .345 venturi .026 wall yellow brass. similar to bach 25 pipe fast taper to start balanced with a gradual reduction in rate of taper
- “SQ” Square standard width yellow brass slide for great articulation and bigger slots
- 5mm 37 style yellow brass side seam bell for quick response and balanced overtone spectrum
- 1 piece brass valve cluster with stainless pistons for the ultimate in stability nickel outer and yellow brass inner slide tube
- 2 Adjustable diamond shaped braces for customizing response and envelope of sound for the individual player.
- Adjustable upright sound post to enhance harmonic spectrum
- Long Bell tail Ferrule for added stability and projection