Clarinet. Nominal pitch: C.

Technical description: Cocus with german silver keys, ferrules and bell rim. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Mouthpiece with a long, wide table and ligature. Barrel slightly bulbous. Upper section: Long A♭ key. Tone-hole for the speaker at the front of the instrument; speaker chimney bowl-shaped. Lower section: thumbrest shaped. Leaf and needle springs. Bell continuous. , L0: T; speaker. L1: T; throatA♮. L2: T + spectacle; throatA♭. L3: T + spectacle; cross E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: T; side F₄/C₆ + side E♭₄/B♭₅ (Barret action); side trill key for throatA-B♮ and B♭-C. R2: T + spectacle. R3: T + spectacle (forked B♭₃/F♮₅); cross B♭₃/F♮₅ . R4: G♯₃/E♭₅; F₃/C₅. Keymount type: pillars. Keyhead type: modern.