All WEINERMUSIC instruments are serviced by Mark Kasten,
- Key: F-Bb
- Pitch: A445 with independent Bb tuning
- Bore: 11.89 mm (.468")
- Mouthpipe: .310 venturi of nickel silver
- Lever action: Noiseless string action, short stroke with stainless steel springs
- Valve rotors: Tapered hand-lapped brass
- Branches, bows and ferrules: Nickel silver
- Slides: Solid nickel silver
- Bell: 12.25" diameter medium-throated hand- hammered nickel silver
- Waterkey: On mouthpipe
- Options: Extra-long main and Bb tuning slides, detachable bell and flat case available as model H277