DescriptionTechnical description: Brass with german-silver trim; water-key. Quick-change for B♭ to A as 4th valve in cluster. Valve type: rotary valves, cork buffers on top caps.
Inscribed on bell: crown emblem / "F.A. Heckel / K.K. [or I. or T. or S.] Hof- / Instrumentenmacher / Dresden."; on underside of each key button "2".
Overall size: 458; bell 137.
Sounding length: minimum 1317.
Bore: mouthpipe at c 33mm from mouthpiece receiver (minimum bore) 9.8; centre of 4-valve cluster at c 187mm from mouthpiece receiver, v.t.s. bore (1, 2, 3, quick-change) 11.0; m.t.s. at c 323mm from mouthpiece receiver, tuning-slide bore 11.05; at 659mm from bell end, c 11.0; at c 361mm from bell end, 15.55; at 21.3mm from bell end, 69.8. B = 0.65. Bell cutoff = 1300 Hz.
Dia of mouthpiece receiver: m.r.t. 11.4 - 10.4.
Accessories: With original fitted hard case, covered in black leather.
Possibly formerly used with mouthpiece (4261) and mute (4262). |