YCL-CSGIII/CSG-AIII Bb/A Clarinets
Low E/F correction key (YCL-CSGIIlL/YCL-CSG-AlllL)
![Low E/F correction key (YCL-CSGIIlL/YCL-CSG-AlllL)](/en/files/Low-EF-correction-key_3L_all_198x220_e49aa3fcbc534c794eb4a5c88f565cb9.jpg)
Yamaha original intonation correction mechanism inspired by the Oehler system (German style) clarinet is available to control low E and F note. This system assures natural finger control, excellent feel and playability.
Hamilton-plated keys (YCL-CSGIIlH/YCL-CSG-AIIlH)
![Hamilton-plated keys (YCL-CSGIIlH/YCL-CSG-AIIlH)](/en/files/32608_21_1_120x160_c12f4ca9d36c78e705aba1e4b88a5977.jpg)
Hamilton-plated keys models are available as optional extra.