aS-French Horn Mouthpiece No. 12

aS-French Horn mouthpiece No. 12 The aS-French Horn mouthpiece No. 12 has a medium depth cup and a slim rim. It is a sophisticated mouthpiece with many variations. Original Arnolds and Sons mouthpieces are produced with modern production methods. Due to the consistently high quality standard, tolerances between the same models almost completely excluded. aS mouthpieces are exact copies of known American originals.