โอโบ Oscar Adler รุ่น 4500

โอโบ Oscar Adler รุ่น 4500 intermediate model well selected and longtimed seasoned Grenadil wood semit automatic, covered finger holes silver plated mechanics double octave key 3rd octave key C/C#- and C/D-trill key G#/F#- and B/C#-connection forken F-mechanism auxiliary F- and Eb-keys till Bb metal receivers at lower part and bell also available in full automatic version (model 4510) option: interchangeable plates on G and D for small hands