The 970 Series features a .547-inch bore with a .562-inch bore through the open wrap F Attachment for less resistance. The 970 also features an 8.5-inch yellow brass bell designed for great projection.
- Key: Bb/F
- Bore: .547-inch Slide Section and .562-inch F Attachment Section
- Leadpipe: Standard Fixed
- Leadpipe Material: Yellow Brass
- Bell: 8-1/2-inch One-Piece Hand Hammered .020-inch Thickness
- Bell Material: Yellow Brass
- Handslide: Standard
- Handslide Material: Yellow Brass Outer and Chromed Nickel Silver Inner Slide
- Handslide Crook Material: Yellow Brass
- F Attachment Wrap: Open
- F Attachment Valve: Standard Rotor
- Features: One-Piece Hand Hammered .020-inch Thickness Bell; Open Wrap F Attachment
- Case: Pro Tec Case
- Mouthpiece: Kanstul 6-1/2AL-L
- Mouthpiece Shank: Large