DescriptionTrompette à clefs.
6 keys.
Technical description: Brass; two coils; wired bell rim. Ligature tuning at mouthpipe. 6 keys, all placed for right hand, 3 parallel with tube, 3 on bridges.
Overall size: 428; bell 130.
Sounding length: with tuning shank in, to keyhole centres, 1370; 1450; 1520; 1595; 1630; 1769; overall, 2001.
Bore: at c 20mm from mouthpiece receiver (minimum bore), 11.2; at 1000mm from bell end, c 11.2; at c 306mm from bell end, 15.8; at 23.1mm from bell end, 80.0. B = 0.77 (no toneholes open). Bell cutoff = 900 Hz.
Dia of mouthpiece receiver: m.r.t. 11.7 - 11.2.
Keymount type: saddle.
Keyhead type: cup.
Inscribed on side of bell "Müller / a Lyon".
Usable pitch: Plays c 20 cents above A⁴ = 440 Hz with tuning shank in.
Repair History: Key nearest bell a replacement. 2 patches on body of tube.
Performance characteristics: the input impedance and harmonicity of the air column resonances are reported in Myers and Campbell 2006.
Purchased by lender with but probably not formerly used with mouthpiece (3159).
Illustration references: World Wide Web picture at http://www.music.ed.ac.uk/euchmi/ |