Entry

F-contrabass trombone “R.Hagmann valve”

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yellow brass movable parts in nickel silver, bell with ''Selmer'' rim, diameter: 260 mm, open wrap
with ''R. Hagmann'' valve system, valve mechanism to be handled with thump and middle finger, conical slide for six possible positions, bore: 14,5 mm / 15,5 mm, ergonomic cross-stay, long water key