Hugo Helfenstein
trumpets

Bb:
Martin Committee — large bore — built in 1947
Martin Committee Deluxe — large bore — built in 1956
Martin Committee Deluxe — large bore — built in 1959
Bach Stradivarius ML 37 — built in 1983
Bach Stradivarius ML 43 — built in 1984
Bach Stradivarius ML 37 — built in 1989
Spada BJ-2 — built in 2004

C:
Bach Stradivarius ML — custom made — built in 1974

Bb/A:
piccolo Courtois — built in 1982

flugelhorn

Bb:
Couesnon Monopole — built in 1923
(overhauled at «SPADA Music AG» Burgdorf, Switzerland)