Provenance
In this section
Stencil euphoniums: which brands are the same horn?
A lot of 'different' euphonium brands are the same instrument, built by one Chinese OEM factory and sold under many names. Here's who makes what, why it matters, and how to buy a stencil well.
What should I check on a used euphonium
Check the exact model and valve system, then test every valve, slide, brace, water key, and register. Cosmetic wear may be harmless; sluggish action, stuck slides, damaged valve casings, leaks, and uncertain provenance deserve a repair estimate.