UEDIN · 5834
Bass valve trumpet. Nominal pitch: 8-ft C.
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Description
3 valves. Technical description: brass. Valve type: 3 Stölzel valves; alignment by screwed pin. Overall size: 526; bell 150. Sounding length: minimum 2299. Bore: mouthpipe at 32mm from mouthpiece receiver (minimum bore) 10.3; m.t.s. at c 540mm from mouthpiece receiver, tuning slide bores 11.2-11.0 ; centre of valve cluster at c 1388mm from mouthpiece receiver, v.t.s. bore (3,2,1) 12.6; at 1149mm from bell end, c 11.4; at c 566mm from bell end, 16.1; at 15.6mm from bell end, 93.0. B = 0.69. Bell cutoff = 1200 Hz. Dia of mouthpiece receiver: m.r.t. 12.1 - 11.5. Inscribed on bell rim "COURTOIS NEVEU AINE RUE DES VIEUX AUGUSTINS A PARIS" (with letter "N" back to front); on mouthpiece receiver ferrule "B" Decorative features: ivory buttons. Purchased by lender with trumpet mouthpiece (5835).
Measurements
526; bell 150.