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Bass trumpet.

Technical description: Brass with german silver valve caps, levers, touchpieces and spring drums; two coils, no gusset, French bell rim. No water-key; fitting for music-card holder.; Nominal pitch: 9-ft B?.; Type or system: 3 valves.; ; ; ; ;

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  • Inscriptions:Stamped on bell with trademark surmounted by a crown / "BORGANI / MACERATA" / lyre emblem.
  • Hornbostel-Sachs category:423.233.2
  • Repository:Royal Conservatoire of Scotland
  • Measurements:Overall size: from plane of bell to mouthpiece receiver 577; bell 150.; Sounding length: minimum 2754.; Bore: mouthpipe at c|15mm from mouthpiece receiver (minimum bore) 11.25; valve cluster from 160mm to 300mm from mouthpiece receiver, v.t.s. bore (1) 12.25, (2,3) 11.65; m.t.s. from 863mm to 1276mm from mouthpiece receiver, tuning-slide bore 12.05; at 1377mm from bell end, c|12.2; at c|335mm from bell end, 15.6; at 18.5mm from bell end, 81.5.B|=|0.78.Bell cutoff |1200|Hz.Dia of mouthpiece receiver: m.r.t. 11.65 - 11.25.