Model H181 features a bronze bell that produces a darker sound. Capable of a wide range of dynamics, it can be played loud without a brassy edge to the sound.

Specifications
Key: F-Bb
Pitch: A445 with independent Bb tuning
Bore: 11.89 mm (.468")
Mouthpipe: .310 venturi yellow brass
Lever action: Noiseless string action, short stroke with stainless steel springs
Valve rotors: Tapered hand-lapped brass
Bearing plates: Tapered brass
Branches and bows: Solid brass
Ferrules: Nickel silver
Slides, inside and outside: Solid nickel silver
Bell: 12.25" diameter large-throated hammered bronze
Waterkey: On the mouthpipe for quick water removal
Options: Extra-long main and Bb tuning slides. Model H281 has a detachable bell flare with a flat case.