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Vocal horn.

Technical description: Brass; corpus of two coils. Silver-plated german silver valve touchpieces.; Nominal pitch: C.; Type or system: Wide mouthpipe model.; ; ; ; Usable pitch: Probably built for use at A?=|452.4|Hz.;

  • Measurements:Overall size: from plane of bell to corpus proximal 287; bell 170.; Sounding length: minimum 2352.; Bore: mouthpipe at c|40mm from mouthpiece receiver (minimum bore) 10.5; main tuning-slide from 230mm to 538mm from mouthpiece receiver, m.t.s. bores 11.35 - 11.6; valve cluster from 581mm to 671mm from mouthpiece receiver, v.t.s. bore (1,2,3) 11.85; at 1176mm from bell end, c|13.8; at c|578mm from bell end, 19.5. at 22.5mm from bell end, 98.B|=|0.64.Bell cutoff |1000|Hz.Dia of mouthpiece receiver: m.r.t. 11.4 - 10.55.