MIRAPHONE: BBb tuba "Siegfried", Mod.BBb-98B
model 98B "Siegfried"
bell diameter 500 mm (19,685 inch)
443 Hz
6/4
without lyre holder
without strap ring
rotary valves
bore of valve section 21,2 mm (0,835 inch)
spiral spring system
nickel silver wreath
material of mouthpipe nickel silver
mouthpiece TU42
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Equipment:
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