UEDIN · 6608
Contrabass valve trombone. Nominal pitch: 18-ft B-flat.
Description
Technical description: Brass with german silver ferrules, bow guard, stays, stay mounts, and valve components. Bell without gusset; wired bell rim. With angled connecting pieces between mouthpiece and body (secured by a ligature screw on the body) and between body and bell section (secured by ligature screws on the body and on the bell). With bow guard and water-key on the main tuning-slide. Valve type: 3 rotary valves, clock springs in narrow drums; cork buffers on spindles. Repair History: With detachable tuning-slide extension pieces adding 2 × 98 - 196mm to sounding length. One ligature screw and the 2nd and 3rd valve rotor shaft top screws are replacements.
Measurements
as assembled, from 3rd valve tuning-slide bow to highest point on bell 1270; body from upper bow to 3rd valve tuning-slide bow 790; from plane of bell to bell bow 630; bell 235.