Schumann - Trois Romances for Clarinet and Piano Beethoven The "H" series bocals are

The "H" series bocals are a newer design to improve sound and intonation

Instruments with serial numbers containing letters AK were manufactured beginning in 1939 and instruments of this vintage were and still are considered exceptional instruments

The Black Diamond Ebonite mouthpiece features a new internal and external design

Metal tubes extending into the bore in the finger holes of the wing and boot joints to prevent water from entering the tone holes

Schumann - Trois Romances for Clarinet and Piano Beethoven The "H" series bocals areTrois Romances pour Hautbois (ou Violon) ou Clarinette en la ou en sib Et Piano by Robert Schumann