All WEINERMUSIC instruments are serviced by Mark Kasten,
- Key: Bb/High F
- Pitch: A445 with independent tuning F
- Bore: 11.89 mm (.468")
- Lever action: Mechanical ball action; nylon socket has set screw to adjust end play
- Valve rotors: Tapered hand-lapped brass
- Bearing plates: Tapered brass
- Material: Brass branches and crooks with solid nickel silver connecting ferrules
- Slides: Both inside and outside are hand-lapped brass
- Bell: 12.25" diameter medium-throated yellow brass, detachable
- Waterkey: One on mouthpipe and one on main branch