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Echo cornet.

Technical description: Silver-plated brass; detachable echo bell with its own tuning-slide; with water-key; with fitting for music-card holder.; Nominal pitch: B?.; ; ; ; ; Usable pitch: Probably modified for use at A?=|440|Hz.;

  • Measurements:Overall size: from echo bell to bow proximal 322; bell 124.; Sounding length: minimum 1337 with associated shank.; Bore: shank at c|20mm from mouthpiece receiver (minimum bore) 8.8; main tuning-slide from 324mm to 600mm from mouthpiece receiver (with shank), m.t.s. bore 11.65; at 668mm from bell end, c|11.8; valve cluster from 750mm to 830mm from mouthpiece receiver (with shank), v.t.s. bore (3,2,1) 11.9; echo valve from 836mm to 876mm from mouthpiece receiver (with shank), v.t.s. bore (4) 11.6; at c|299mm from bell end, 16.6; at 21mm from bell end, 69.5.B|=|0.61.Bell cutoff |1200|Hz.Dia of mouthpiece receiver: m.r.t. 9.6 - 8.8.