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Soprano keyed bugle.

Technical description: Copper with brass garland, mouthpiece receiver sheath, chimneys and keywork. A finger-rest passes over the 3rd key from the bell. The keys with leaf springs SATK, the spring ends running in channels extending from the keymounts.The open-standing bell key has a screw adjustment to regulate opening.; Nominal pitch: E♭.; Type or system: 6 keys.; Keyhead type: flat round.; Keymount type: saddles.

  • Measurements:Overall size: from plane of bell to mouthpipe 369; bell 149.; Sounding length: maximum 972.; Bore: instrument body at c|10mm from shank/crook receiver (local minimum bore), 11.9; at 486mm from bell end, c|20.0; at c|315mm from bell end, 28.3; at 11.8mm from bell end, 101.75.B|=|0.51 (all keys closed).Bell cutoff |1200|Hz.Dia of mouthpiece receiver: m.r.t. 12.35 - 11.9 over 10mm.