UEDIN · 3348
Ballad horn, nominal pitch: C / B♭
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Description
Silver-plated brass. Circular form with downwards-directed bell. 3-valve compensating system. With shank for C and crook for B♭. Signature: Inscribed on bell "CLASS A" / "BOOSEY" in trumpet-and-banner trademark / "COMPENSATING PISTONS / BOOSEY & CO / MAKERS / 295 REGENT STT. / LONDON / 48334"; Valve type: 3 Périnet-type valves, top-sprung with spring outside valve stem; alignment by key on piston. Usable pitch: With own shank, plays at A⁴ c 440 Hz; with own crook, plays in B♭ about 20 cents below A⁴ c 440 Hz. Repair History: Legs of main tuning-slide extended to lower pitch, total addition to sounding length 68mm. Ballad horn. Nominal pitch: C / Bb. Maker: Boosey & Co. London. 1896. Serial number: 48334. According to the firm's archives [instrument books], the instrument was "Ballad horn in C compg plain" Model A20, made by Last in a batch of one. Overall size: 368; corpus diameter 240; bell 179. Sounding length: minimum with shank for C, 2418; overall length of shank for C, 88; air column length of crook for Bb, 421. Bore: shank for C at c 30mm from mouthpiece receiver (minimum bore) 8.8; shank for C at distal end, c 10.0; crook for Bb at c 30mm from mouthpiece receiver (minimum bore) 8.2; crook for Bb at distal end, 9.9; instrument body at c 50mm from shank/crook receiver (local minimum bore) 10.0; m.t.s. at c 445mm from shank/crook receiver, tuning slide bore 11.5; centre of valve cluster at c 690mm from shank/crook receiver, v.t.s. bore (1,2,3) 11.5; 1209mm from bell end, c 13.7; c 624mm from bell end, 19.5; 20.5mm from bell end, 116. B = 0.54. Bell cutoff = 900 Hz. Dia of mouthpiece receiver: Shank internal taper 9.4 9.1; external taper 11.1 12.0. Crook internal taper 9.4 8.5; external taper 11.3 12.0. Shank/crook receiver taper 11.7 10.7. Inscribed on bell "CLASS A" / "BOOSEY" in trumpet and banner trademark / "COMPENSATING PISTONS / BOOSEY & CO / MAKERS / 295 REGENT STT. / LONDON / 48334"; on sides of valve casings and inner stems and on top caps "1", "2", "3"; on opposite side of 2nd valve casing "BOOSEY" in trumpet and banner trademark / "41461"; on bottom caps "9", "36", blank. Legs of main tuning slide extended to lower pitch, total addition to sounding length 68mm. Usable pitch: With own shank, plays at A4 = c 440 Hz; with own crook, plays in Bb about 20 cents below A4 = c 440 Hz. Purchased by lender with and possibly formerly used with mouthpiece (3349). Illustration references: Brass Bulletin No 85, 1/1994 p.18.
Measurements
368; corpus diameter 240; bell 179.