Gold Brass

Standard Construction
Three Rotary-Valves (Bronze/Nickelsilver)
Spiralspringactionmechanic
Trigger on 3rd valve slide
Exchangeable Leadpipes
Third Valve-slide to take of with Double-slide
Round bell rim-wire
Waterkey at Main-Tuning-slide
Inner and outer slides in Nickelsilver

Material-Choice
Yellow-brass (Ms)
Goldbrass (Gms)
Nickelsilver (Ns)

Surface-Quality
Clear baked lacquer finish
Silverplated
Gold plated
Material raw polish