All 3142/2 "B&S" Challenger professional piston valve cornets are equipped with boxed springs, monel pistons, handhammered one piece bell, nickel silver outer slides.
Bb-Cornet
B&S Challenger "Brochon"
11,73mm/0.462" bore
125mm/4.921" bell
trigger on 1st and 3rd valve slide
gold lacquered
Brand reference number:
BS31422-8-0