Oehler Syatem Clarinet
The Oehler system (also spelled Öhler) is a system for clarinet keys developed by Oskar Oehler. Based on the Muller System (Ivan Muller) clarinet, the system adds tone holes to correct intonation and acoustic deficiencies, notably of the alternately-fingered notes B♭ and F. The system has more keys than the Boehm system, up to 27 in the Voll-Oehler system (full … Read more